Q: I need some help with calculations. Five standard solutions were prepared using 0.00, 2.50, 5.00,…
A: A standard solution is a solution whose concentration is known.
Q: hen the concentration of H30* and OH ions are equal in a cup
A: When the concentration of H3O+ and OH- ions are equal in a cup of water.
Q: is the aging deterioration of plant and animal food products caused by enzymatic action..…
A: ( 1) Degradation is the enzymatic action which leads to aging deterioration of plant and animal food…
Q: A 0.0452 L solution of HCl is titrated with 0.0356 L of 0.0125 M Na3PO4 according the equation shown…
A: For Na3PO4 Solution: Volume = 0.0356 L Molarity = 0.0125 M = 0.0125 mol L-1 For…
Q: Name the different oils that can be used in making soaps. Describe the physical appearance of oil…
A: Soap are the sodium or potassium salts of fatty carboxylic acids which results in the chemical…
Q: Which chemical is a good neutralizing agent for an acid spill? A Ba(OH)2 (В) NaHCOз (С) NaoH (D…
A: To determine chemical as a good neutralizing agent for an acid spill
Q: What is the [OH⁻] in an oven-cleaning solution if the pH is 12.35? A) 0.45 M B) 1.65 M C) 0.022 M D)…
A:
Q: (a) Ca++, Mg++, K+, Ni++ are considered as exchangeable bases or non-acid cations; (b) Leaching of…
A: Answer - A if a is correct Solution - According to the question exchangeable bases' refers to the…
Q: Starting a titration, the technician requires 200mL of a 0.22% (w/v) solution of citric acid,…
A:
Q: Is BaCI2 solution produced in the reaction acid, basic or neutral? Which process would be used to…
A: Acid is the substance that gives H+ ions in the solution and having a pH value of less than 7. The…
Q: It's the question "calculate the pH of a 0.10M hypochlorite acid,HClO solution." Ka=2.9 x 10-8
A: Given, Ka = 2.9 × 10-8 [HClO] = 0.10 M
Q: A student is given an antacid tablet that weighs 5.9200 g. The tablet is crushed and 4.8270 g of the…
A: Given : Volume of NaOH required to neutralise stomach acid after antacid = 11.7 mL And volume of…
Q: Slake lime has a pH of 12. What is the hydrogen ion concentration of slake lime? 1. 4.50 M NaOH 2.…
A: pH:- pH means the potential of hydrogen ions. It is used to calculate the concentration of H+ ions…
Q: In the laboratory, a general chemistry student measured the pH of a 0.362 M aqueous solution of…
A: Equilibrium constant for reactions depicting acidic behavior of compounds (liberation of hydronium…
Q: A patient’s sputum was collected for a laboratory analysis. The results revealed that the [H3O+]…
A: pH of the solution can be expressed in terms of negative logarithm of hydronium ion concentration.…
Q: A wine was tested for acidity, and its pH was found to be 3.23 at 25°C. What is the hydronium ion…
A: The solution is given below -
Q: Write the complete balanced equation and then the Keq expression for the following: Substitution…
A: Given reactants are Magnesium strips and nitric acid.
Q: Alanine, abbreviated HAla, is an amino acid in protein. If 21.05 mL of 0.145 M NaOH neutralizes…
A:
Q: A) Enter the balanced chemical equation for the reaction of 2-bogusopropanoic acid with KOH B)…
A:
Q: What is the hydronium ion concentration of an acid rain sample that has a pH of 3.15? A) 1.41 x…
A: The acid rain sample has a pH = 3.15, which shows that it has a strong acid. Here, the hydronium ion…
Q: What is the [H*] with a pH of 7.5? (T/I) 1.3 x 10-5 M 3.1 x 108 M O 1.8 x 10² M 2.6 x 107 M 4.1 x…
A: Here we have to calculate concentration of H+ ion in pH of 7.5 solution-
Q: What process is responsible for the increase in the total negative charge as soil pH increases?…
A: Soil pH increases because Basic nature of the soil increases. As pH increases, it will be…
Q: What is the pH of a solution of 1.34M nitrous acid( HNO2; Ka=4.0 x10^-4)
A: A numerical problem based on pH calculation, which is to be accomplished.
Q: A student is given an antacid tablet that weighs 5.9320 g. The tablet is crushed and 4.9780 g of the…
A: Given that 29 mL of the solution neutralizes 25 mL of the original solution. 1 mL of the NaOH will…
Q: Calculate the change in pH that results from adding 0.160 mol NaNO2 to 1.00 L of
A: Ka = 7.2 ×10-4 pKa = -log(Ka) = -log(7.2×10-4) = 3.14 initially, weak acid HNO2 is present So,…
Q: Calculate the weight of water that could be removed from a wet organic phase using 50.0 mg of…
A: We are going to calculate the weight of water that could be removed from a wet organic phase using…
Q: What is the pH of a grapefruit that contains 0.007 M citric acid solution (CH3O7)? CGH3O,(aq) +…
A: Given: Concentration of citric acid = 0.007 M Ka = 7.5 x 10-4
Q: Calculate the pH of 3.5M citric acid solution at 25⁰C when the Ka is 7.1 x 10-4.
A: Give information: Concentration of solution = 3.5 M Ka is 7.1 x 10-4
Q: If a bleach solution has [OH] of 5.1 x 104 M, what is the [H,0*] of the solution? Is the solution…
A:
Q: What is the value of AGrxn for the reaction: 20 3A+4B ? Given that 3/2 A+2B AG° rxn 170.5 kJ/mol
A: The free energy change of a reaction is the free energy difference between products and reactants.
Q: 3. Sprite does not contain phosphoric acid. Only sodas that are dark in color contain this acid.…
A: Quantitative analysis for the determination of the concentration of acid/base by neutralizing it…
Q: A solution of PbI2 has an iodide concentration of [I-]=3.0x10^-3 PbI2(s) Pb^+2(aq) + 2I^-(aq) What…
A:
Q: Enumerate and differentiate briefly the different forms of calcium in the blood. EXPLAIN 3-5…
A: Answer - According to the question - In blood calcium exists in 3 different forms : (1) 50% as…
Q: Write the Ka equation for the following reaction (all you need to do is write it!)
A: Ka is the acid dissociation constant. The equation can be written as below,
Q: Stock solution of starch is prepared by dissolving a certain amount of starch (MM = 342.30 g/mol) in…
A: Given : Volume of buffer solution = 100 ml Concentration of starch solution = 2.92 μmol/mL = 2.92…
Q: Choose the correct answer for the pH of a solution containing 4.0 x 10-5 M of [OH]. 9.6 6.3 x 10-6…
A: Welcome to bartleby! Introduction : We have to calculate pH .
Q: Balanced eqation: Fe(OH)3 + 3 HNO3 → 3 HOH + Fe(NO3)3 How many mL of 0.878 M Fe(OH)3 are required…
A: Given, 0.878 M Fe(OH)3 are required to neutralize 140.50 mL of 0.756 M HNO3
Q: Choose the correct answer for the [OH] molar concentration for a vinegar solution of pH = 2.4. 1.7 x…
A: The of a solution is the negative logarithmic of hydrogen ion concentration in the solution.…
Q: What is the concentration of Cd2+ in a solution that is 0.10 M Cd(NH3)42+? (Kf = 4.0 x 106) Group of…
A: Given the initial concentration of Cd(NH3)42+(aq) = 0.10 M The balanced formation equation of…
Q: What is the [H30*] concentration for a solution where [OH] = 2.3 x 103 M? Kw = 1.0 x 1014 [H3O*][OH]…
A: Given [ OH- ] = 2.3 × 10-3 M Kw = 1 × 10-14 [ H3O+ ] = ?
Q: The voltage measured by the pH meter is linearly proportional to the "H+ concentration" of the…
A: Concept is based on pH.
Q: A student prepares a saturated solution by dissolving 5.5 x 10-5 mol of Mg(OH)2 in 500.mL of…
A: Given is A 500 mL solution containing 5.5×10–5 mol of Mg(OH)2 . We need to calculate its solubility…
Q: A chemical fertilizer called 8-8-8 typically contains 8% total nitrogen, 8% P2O5 and 8% K2O.…
A: Calculation is done step 2.
Q: If your first titration yielded a concentration of 0.37 mg/mL and your second titration yielded a…
A: The average value (x¯) of n number of measurements with values of x1, x2, x3 ............... xn is…
Q: Write the balanced chemical reaction showing the neutralization of aqueous acetic acid with aqueous…
A: When an acid reacts with a base,it results into the formation of salt and water and this reaction is…
Q: Consider an aqueous solution of 0.50 M hydrazoic acid (HN3). What is the %dissociation? A 0.50% B.…
A: Given data: Concentration of hydrazoic acid = 0.5 M
Q: What is the pH of a 1.20 M nitrous acid solution? (Ka = 4.50 x 10-4)
A:
Q: Select all of the solutions from the first part of the experiment that you would expect to be acidic…
A:
Trending now
This is a popular solution!
Step by step
Solved in 2 steps
- Activity 3: pH and pOH Calculation Fill in the missing information in the table below. On a separate paper, show your complete solution. pH [H'] pOH [OH] 5.39 х 10-12 М Acid or Base? 12.24 9.22 x 10-8 M 11.68 9.87 x 10-3 M 1.33 4.73 x 10-10 М 7.05 8.53 x 10-7 M 3.82At 25.0 oC, Kw = 1.0 x 10-14 and neutral water has a pH of 7.00. At 98.4 oC, Kw = 5.11 x 10-13 and neutral water has a pH of _____. Record your answer to 3 decimal places.17. Lime water has a hydronium ion content of 3.98 x 10-13. Find its pH.
- Calculate the pH of a 0.0469 M KOH solution at T (°C) Kw each temperature. 1.15 x 10-15 5 1.88 × 10-15 10 2.97 × 10-15 15 °C pH = 15 4.57 x 10-15 20 6.88 x 10-15 -14 30 1.46 x 10 35 °С рH %3 35 2.07 x 10-14 -14 40 2.88 x 10 45 3.94 x 10 14 -14 50 5.31 x 10-1- 100 5.43 x 10-13Calculate the pH of a solution containing 0.0396 M malic acid and 0.023 M potassium hydrogen malate. The Ka values for malic acid are 3.48 x 10-4 (Kal) and 8.00 x 10-6 (K₁2). pH =Mola and Rity were tasked to analyze the acidity of a 10.0-mL fermented milk sample diluted with water in a 250-mL volumetric flask. Mola obtained a 15.0-mL aliquot of this solution, diluted it to 50.0 mL, and then titrated this diluted sample. Titration data were given to Rity and she found out that the 50.0-mL diluted sample contains 0.21 mmol of lactic acid. MW: Lactic Acid (90.08) Follow proper significant figure rulesa. What is the lactic acid concentration (in M) of the titrated sample? b. Determine the lactic acid content (in M) of the 10.0-mL fermented milk sample. c. What is the lactic acid concentration (in %w/v) of the 10.0-mL fermented milk sample?
- Mola and Rity were tasked to analyze the acidity of a 10.0-mL fermented milk sample diluted with water in a 250-mL volumetric flask. Mola obtained a 15.0-mL aliquot of this solution, diluted it to 50.0 mL, and then titrated this diluted sample. Titration data were given to Rity and she found out that the 50.0-mL diluted sample contains 0.21 mmol of lactic acid. What is the lactic acid concentration (in M) of the titrated sample?Mola and Rity were tasked to analyze the acidity of a 10.0-mL fermented milk sample diluted with water in a 250-mL volumetric flask. Mola obtained a 15.0-mL aliquot of this solution, diluted it to 50.0 mL, and then titrated this diluted sample. Titration data were given to Rity and she found out that the 50.0-mL diluted sample contains 0.21 mmol of lactic acid. MW: Lactic Acid (90.08) a. What is the lactic acid concentration (in M) of the titrated sample? b. Determine the lactic acid content (in M) of the 10.0-mL fermented milk sample. c. What is the lactic acid concentration (in %w/v) of the 10.0-mL fermented milk sample?If the Hydrogen ion concentration [H+] of certain slurry sample of soil with water is 3.5 x 10-6 M, what is the pH of the soil sample? Is the soil acidic, neutral or alkaline. Write your computation in the reply section. Highlight your final answer.
- The grid has six lettered boxes, each of which contains an item that may be used to answer the questions that follow. Items may be used more than once and there may be more than one correct item in response to a question. Place the letter(s) of the correct selection(s) on the appropriate line. Could dissolve Zn(OH)2 _____________ Could be used to prepare a buffer from __________ Halfway to the equivalence point in the titration of a weak, monoprotic acid with strong base ________ SO2-related atmospheric phenomenon __________ Species formed by a Lewis acid-base reaction ________ General condition required for precipitation to occur ________ [conj. base] = [conj. acid] in a buffer ___________If a solution of dissolved acid has pH = 2.5 and the pka for the acid chemical is 4.3 and you measure the concentration of the conjugate []-base to be 10mm, what is the concentration of the acid in the solution? pH = pka + logi [HA]15.0 grams of an unknown acid is dissolved to a final volume of 100.0 ml and measured to have a pH of 2.4. If Ka=5.0x10-5, what is the MW of the Acid?