The analysis of a water is as follows Ca+ 78 Alkalinity SO42- C pH 282 96 8.1 Nat- Mg2+ 30 K+ Specie [mg/L] 106 126 20 12 Draw a meq/L bar graph (a) (b) Determine the Calcium carbonate and non-carbonate hardness in meq/L. Determine the Magnesium carbonate and non-carbonate hardness, in (c) meq/L. mg-CH mg-NCH. ll Ca-CH Ca-NCH.
Q: The chemical formula for beryllium sulfide is BeS. A chemist determined by measurements that 0.070 m...
A:
Q: Cyclohexane freezes at 6.50 °C. What is its ΔS° of freezing if its ΔH° of fusion is 2.68 kJ/mol? -4...
A: Due to technical error ,unable to provide you the solution. Please resubmit the question once again
Q: CREATE A SCHEMATIC DIAGRAM USING THE PROCEDURE: Weighing of standard reagents 1. Make an improvise...
A:
Q: To determine the rate of a reaction experimentally, it is necessary to have some method of following...
A:
Q: . Calculate the number of gram of Ca(NO3)2 that could be produced by reacting 125 ml. of 6M HNO3 wit...
A: Mole can abe defined as a standard unit for measuring large quantities of very small entities such a...
Q: Calculate the moles of NaOH added (mol). Give answer with at least three significant figures. Take n...
A: Number of mols of the substance = Volume of the substance in L × concentration in mol/L
Q: Liquid octane (CH3 (CH2),CH3) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide ...
A:
Q: What is the total number of nitrogen atoms on the right-hand side of this chemical equation? Cu(s) +...
A: given balanced equation: Cu(s) + 4 HNO3(aq) → Cu(NO3)2(aq) + 2 NO2(g) + 2 H2O(l)
Q: Given any of the factors temperature, catalyst, or concentration-explain in terms of collision theor...
A: Collision theory - - collision theory explains that to occur a chemical reaction the reactants must ...
Q: When chiorine (Cl2) gas is added to water during the disinfection of drinking water, it hydrolyzes w...
A:
Q: Flow Chart for the Determination of Group I Cations Ag', Pb, Hg, + 6 M HCI 2+ I centrifuge Solid AgC...
A:
Q: Answer should be in Grams, Thank you
A: Mass of vinegar (g) = 3.06 gram Buret reading, initial (mL) = 25.40 mL Buret reading, final (mL) = 3...
Q: Give the IUPAC name for the attached structure and explain how you got it please?
A:
Q: The equilibrium reaction equation is below: CO(g) + Cl2(g) = COCI»(g)
A:
Q: e equilibrium constant
A:
Q: There is a difference in acidity of the hydrogens labeled red below. Select all the distinguishing f...
A:
Q: What is the stoichiometric ration of this chemical equation? 3H2(g) + N2(g) →2NH3(g)
A:
Q: A 10.5g kixture contains potassium chloride. Excess lead (II) nitrate solution Pb(NO3)2 (aq), is add...
A: In a reaction by noticing the stoichiometry we can easily calculate the amount of reactant and produ...
Q: How many grams of Ca(NO3)2 can be produced by reacting excess HNO3 with 6.55 g of Ca(OH)2?
A:
Q: Metallic iron has a body-centered cubic lattice with all atoms at lattice points and a unit cell who...
A: Mass of Fe atom M =? edge length a=286.6 pm = 286.9*10-10 cm density d=7.87 g cm-3
Q: Balance the chemical equation below using the smallest possible whole number stoichiometric coeffici...
A: The Chemical reaction follows the law of conservation of mass. According to the law of conservation ...
Q: Polyprotic acids dissociates stepwise. Write the balanced chemical equation that corresponds to Ka2 ...
A: Step by step solution are below
Q: 4.) Given the reaction: PCI3(g) + C2(g) = PCI5(g) Kc = 24.3 Suppose the system at that particular te...
A:
Q: Consider the equation of acetic acid and barium hydroxide. Find out the volume used to get the equi...
A:
Q: the following solution a buffer? Each solution was prepared by mixing and diluting appropriate quant...
A: Concept is based on buffer preparation:
Q: Gaseous methane (CH,) reacts with gaseous oxygen gas (0,) to produce gaseous carbon dioxide (CO,) an...
A: CH4 (g) + 2O2 (g) -----> CO2 (g) + 2H2O (g) One mole of meth...
Q: Write balanced equations describing each of the reactions in the experiment.
A: Inorganic analysis involves analysis of cations and anions present in the salt mixture. Cations are ...
Q: Cyclohexane freezes at 6.50 °C. What is its AS' of freezing if its AH° of fusion is 2.68 kJ/mol? +9....
A:
Q: Suppose a 500. mL flask is filled with 1.9 mol of H, and 1.1 mol of NHz. This reaction becomes possi...
A:
Q: A. Solubility of Solids in Liquids Put equally small amount (1/2 teaspoon) of the substances listed ...
A:
Q: Calculate ΔH for the reaction (1) 2C (s, graphite) + H2(g) --> C2H2(g). given the following chemic...
A:
Q: Suppose a 250. mL flask is filled with 0.70 mol of H, and 0.50 mol of HCI. The following reaction be...
A:
Q: How does temperature affect a chemical reaction?
A: Given question is : How does temperature affects a chemical reaction = ?
Q: Name the following isomer CH3 CI H. ....
A:
Q: Write the reaction mechanism between ethane and chlorine in the presence of light. Label each step a...
A: Due to technical error ,unable to provide you the solution. Please resubmit the question once again
Q: Determine the mass in grams of 7.57 x 10 atoms of zinc. (The mass of one mole of zinc is 65.39 a)
A:
Q: What is the least volume of 3.10 M HCl(aq) that will exceed the buffer capacity of 1.00 L of a buffe...
A:
Q: 1-Bromopropane is synthesized by treating 1-propanol with sulfuric acid (H2SO4) and potassium bromid...
A:
Q: (МеO);CH CSA, CH,Cl2 DIBAH, -78 °C 30 min (1) 1 equiv. NaH THF, 0 °C HO, A rt, 24 h 0°C, 10 min Br (...
A:
Q: - Calculate the pH of a solution that is 0.150 M in NaCIO. The K, of HCIO is 2.9 x 108. Will the sol...
A:
Q: give me both parts nomenclature within 30 min I'll upvote.
A:
Q: Given the potential difference between the terminals of a battery as 5 Volts, calculate the amount o...
A: No. Of electron = 6.67* 1018
Q: • Sodium metal reacts with hydrogen to form sodium hydride (NaH) 2Na + H,-------> 2 NaH f 10 grams o...
A: Recall the data, mass of Na =10 g, molar mass = 23 g mol-1 mass of H2= 8 g , molar mass = 2 g mol-1 ...
Q: A hypothetical reaction is shown with the reaction coordinate diagram. How many steps are in the rea...
A: Number of step = number of intermediate + 1 (Or) Number of steps = num...
Q: Suppose a 250. mL flask is filled with 0.50 mol of N, and 1.3 mol of NH,. This reaction becomes poss...
A:
Q: Which is the best method for carrying out the following two-step transformation (as shown in Reactio...
A:
Q: :N=C Cb-0-H :S:
A: When orbital overlap to produce sigma bond, it is known as sigma overlap. This could be drawn by not...
Q: What is the pH of a solution containing 1.316 mol L-1 of a weak acid with pKA = 7.47 and 0.521 mol L...
A:
Q: This is the chemical formula for talc (the main ingredient in talcum powder): Mg; (Si,O3), (OH), An ...
A: Given the chemical formula: Mg3Si2O52(OH)2 So, there are 3 mol Mg per 1 mol of Mg3Si2O52(OH)2 And, t...
Q: What quantity in moles of KBr are there in 31.5 mL of 0.150 M KBr?
A: Mole, can be defined as a standard unit for measuring large quantities of very small entities such ...
Step by step
Solved in 2 steps
- How do you calculate the nominal of Na2S2O3 of the solution?What are the respective concentrations (M) of Cu2+ and Cl- afforded by dissolving 0.637mol0.637mol CuCl2 in water and diluting to 289mL?289mL? What are the respective concentrations (M) of Cu2+ and Cl- afforded by dissolving CuCl2 in water and diluting to 0.454 and 0.092 2.20 and 2.20 2.20 and 4.41 0.00220 and 0.00220 0.00220 and 2.20Calculate the solubility of calcium carbonate water temperature of 5 °C; at that temperature, Ksp = 8.1 x 10^-9 for CaCO3, Ka = 2.8 x 10^-11 for HCO3-, and Kw = 2.0 x 10^-14.
- Among the following samples of water, which contains the highest carbonate hardness? oxygenated water distilled water raw wastewater de-ionized water The following solution mixture is/are buffer...* NaH2PO4 and Na2HPO4 NH3 and (NH4)2SO4 HCOOH and Ba(HCOO)2 All of the aboveTooth enamel is composed of hydroxyapatite, whose simplest formula is Ca5(PO4)3OH, and whose corresponding Ksp = 6.8 * 10-27. As, fluoride in fluorinated water or in toothpaste reacts with hydroxyapatite to form fluoroapatite, Ca5(PO4)3F, whose Ksp = 1.0 * 10-60. Write the expression for the solubility-constant for hydroxyapatite and for fluoroapatite.42.5 mL of 1.3M KOH are required to neutralize 50.0 mL of H2SO4. This sulfuric acid is further used to standardize NaOH solution. 20mL aliquot of the NaOH solution is obtained and 2 drops of phenolphthalein is added. The initial reading on the buret is 13.2 mL. After the titration, the exact normality of the NaOH solution is found to be 1.254N. (a) What is the molarity of H2SO4? (b) How much of the sulfuric acid is used? (c) What is the final reading on the buret?
- Solution X 100mL of 0.10M NaOH (aq) is mixed with 100mL of 0.10M HBr(aq) Solution Y 100mL of 0.1M NaBr(aq) is mixed with 100mL of 0.10M HBr(aq) Solution Z 100mL of 0.1 M HC2H3O2 (aq) is mixed with 100mL of 0.10M NaC2H3O2(aq) A student prepares three solutions, X, Y, and Z, as described in the table above. The values of Ka for the acidic species in the solutions are given in the table below. Species Ka HBr >>1(very large) HC2H3O2 1.8x10^-5 a. Using the information above, write the letters of the solutions to rank the solutions in order of increasing pH. Explain your reasoning for the ranking. Lowest pH Highest pH < < b.Does the pH of solution Y increase, decrease, or remain the same when 100 mL of water is added? Justify your answer. c.The student adds 0.0010 mol of NaOH(s) to solution Y, and adds 0.0010 mol of NaOH(s) to solution Z. Assume that the volume of each solution does not change when the NaOH(s) is added. The pH of…In standardizing a solution of NaOH against 1.431g of KHC8H4O4, the analyst uses 35.50 mL of the alkali and has to run back with 5.12 mL of acid ( 1mL ≎0.0031g Na2O) What is the normality of NaOH?Formulate a hypothesis regarding the solubility of aspirin at different pH.The experimentA) Three teaspoons of water (approx. 15 ml) were added to one tablet said to contain 300 mg of aspirin. Fizzingwas observed. Most of the tablet dissolved, but there were some solid particles. By heating the mug in amicrowave for 10 second increments until the water came to the boil (approx. 3x), all of the solid particlesdissolved. The solution was left to cool to room temperature and then placed in a fridge and NOTHINGHAPPENED. Try this yourself if you can spare two aspirin tablets, your results might look different.• Questions to ask:1. What might the fizzing bubbles be?2. Can you give a chemical explanation?3. Can you write a chemical reaction equation with aspirin reacting with something to give a gas and aspirinin another form?4. What might be the formulation (what the manufacturer mixes with aspirin in making the tablet) “trick”for aspirin to improve solubility?5. How does this compare with…
- out of f A relatively flat region of a pH curve where a nearly constant pH is maintained. The point during a titration when there is a sudden change in some observable property of the solut conductivity. With sufficient oxygen present, pentane burns according to the reaction: C5H12(l) + 802(g) → 5CO₂(g) + 6H₂O(g) What volume (in L) of oxygen at SATP is required to produce 48.0 L of CO₂(g) at SATP? mmmm Express your answer with three significant digits. Do not include units! L A sample of rainwater is poured into five test tubes. A different indicator is Proctorio is sharin table.given the Ksp of CaSO4 is 4.93 x10^-5 mol^2 L^-2, what is its solubilityFor a solution containing 0.050 M sodium butanoate (the sodium salt of butanoic acid, butanoic acid can be found in appendix G). Calculate the fraction of association 0.011% 1.84% 5.25% 3.09% 0.008%