A student is in a hurry and all his trials are hot pink.  Is his calculated molarity too high or too low?  Explain

Q: Calculate the number of moles required to make 150 mL of a 5.5M solution of CuSO4. For all answers…

A: a- grams of CuSO4= 131.69 g b. mL of 6.5 M = 38.46 mL Details of these part are attached below.

Q: 14.1 mL of 0.134 M Pb(NO3)2 is mixed with 12.9 mL of 0.324 M KI. Calculate the final concentration…

A: Answer:When solutions of two different substance are mixed and formation of precipitate takes place…

Q: Consider the reaction, N204(g) = 2 NO2(g) where the value for Ke is 1.7 x 10-6. The initial…

A: Given Reaction:-  N2O4(g)  <------> 2NO2(g)  Kc =  1.7 × 10-6

Q: The toxicity of DDT (C14H9CI5) led to a ban on its use in the United States in 1972. Determinations…

A: Molecular formula of DDT - C14H9Cl5 Molecular Mass of DDT - 354.49 g/mol Number of moles = mass of…

Q: S Part 2 • Calculations and Results. Show all your step-by-step calculations and write your results…

A: Molarity of titrant, NaOH used = 0.350 M  The balanced equation for the reaction is: NaOH(aq) +…

Q: A reaction is made up in the following way: 12 mL of 4.7 M acetone + 19 mL of 1.8 M HCI + 19 mL of…

A:

Q: 7. A solution of hydrochloric acid in water is 60.0% HCl and 40.0% water, H20 by weight. The soluion…

A: Given,

Q: To make a calibration curve, you would first make a stock solution. Determine the mass of copper(II)…

A: Since you have asked multiple question, we will solve the first question for you.If you want any…

Q: Steps (4) Average volume of NaOH used (mL) (5) (6) (7) (8) (9) Description of steps (10) Average…

A:

Q: What volume of 0.7777 M HNO3 is needed in order to produce 200 mL of 0.1550 M HNO3?   12.24 mL…

A: Given data - - > M1 = 0.7777 M V1 =? M2 = 0.1550 M V2 = 200 ml We know that from the formula M1V1…

Q: Calculate the eq per liter of 0.321g Na2CO3Na2CO3 when it is mixed in a 250ml solution. (MM Na2CO3=…

A: The normality of a solution is an important method which is used to indicate the concentration of a…

Q: Consider the reaction, N204(g) = 2 NO2(g) where the value for Ke is 1.6 x 10-6. The initial…

A:

Q: A student weighs out a 6.38 g sample of Zn(CH3COO)2, transfers it to a 250. mL volumetric flask,…

A: Given, mass of Zn(CH3COOH)2 = 6.38 g Volume of the flask = Volume of the solution = 250 mL = 0.250 L…

Q: Part A What is the molarity of a solution containing 14.0 g of KCl in 344 mL of solution? Express…

A:

Q: You were careless when writing the procedure for an upcoming lab on dilutions. You wrote down how to…

A:

Q: tep A4 (Calculation steps in your lab notebook) Create a table in your lab notebook to calculate…

A: For laboratory experiments, we usually prepare a large bulk volume of different reagents. These are…

Q: A 50.0 mL portion of a stock solution was diluted to 500 mL. If the resulting solution was 1.14 M,…

A: Given data contains, Initial volume is 50.0 mL=0.05 L. Final volume is 500 mL=0.5 L. Initial…

Q: 5. When you take 20.0 mL of 6.0M HNO3 and dilute to a final volume of 300.0 mL?

A:

Q: Calculate the number of g of solute that would be needed to make 2.50 x 102 mL of 0.206 M NaCl.…

A: Given :-  molarity of NaCl solution = 0.206 M  volume of solution = 2.50 × 102 mL  To calculate :-…

Q: Weigh boat mass KHP+ boat mass KHP mass KHP moles Initial buret reading Final buret reading Volume…

A: Titration reaction equation when NaOH reacts with KHP is KHP+ NaOH --->  H₂O+NaKPMolar ratio of…

Q: Number Initial volume Final Volume 1  8.10 mL    24.20 mL 2 24.20 mL     40.45 mL 3  9.90 mL 25.70…

A: The complete balanced reaction for neutralization of NaOH and HCl = 1. NaOH + HCl → NaCl + H2O 2.…

Q: ТОТE: W. CQUATION! The products are sodium ni- rate, carbon dioxide and water. What volume of 0.107…

A: Molarity of sodium carbonate (M1) = 0.107M Molarity of HNO3(M2) = 0.162 M Volume of HNO3 (V2) =…

Q: 1. Vinegar is a solution of acetic acid (the solute) in water (the solvent) with a solution density…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: A 27.00 mL sample of sodium hydroxide was titrated (neutralized) with 31.7 mL of 0.150 M sulfuric…

A: In an acid-base neutralization reaction, the H+ ions of the acid neutralized by equal moles of OH-…

Q: A technician tritated a vinegar sample. Data Below: Concentration of NaOH = 0.500 M Final buret…

A: Given :  Concentration of NaOH = 0.500 M Final buret reading = 32.46 mL Initial buret reading =…

Q: Use the data below to determine the Molarity of KMNO, to THREE decimal places. (MM sodium oxalate -…

A: 1) First calculate the moles of sodium oxalate :  Moles of sodium oxalate = [ mass / Molar mass ]…

Q: [References) Use the References to access important values if needed for this question. In the…

A:

Q: Exactly 10.0 grams of iron(III) sulfate (molar mass = 400 g/mol) was dissolved in enough water to…

A:

Q: Pick one electrolyte and describe how an imbalance of this electrolyte is harmful. Choose either an…

A: Electrolytes are the elements and compounds that occur naturally in the body. They control important…

Q: 50.00 mL of a solution containing 0.080 M H2SO4, and 0.20 M KIO3 4. About what volume of sulfuric…

A:

Q: 2. In Avogadro’s Number lab, we used oleic acid to create a monolayer on the surface of water. The…

A: Given: Concentration of oleic acid in solution is 0.50% by volume= 0.50 ml in 100 ml.…

Q: 1. What is the concentration, in parts per million, of a solution in which 600 grams of aluminum…

A: Since you have asked multiple question, we will solve the first question for you as per our…

Q: 4. Given the reaction: Na:COs(@9) +2HNO3«9) → 2NaNO3(=9) +COz@) +H2O« If it required exactly 76.85…

A: According to the balanced equation Na2CO3 + 2 HNo3 -->  2 NaNO3 + CO2 + H2O We can say that 1…

Q: 4:35 Done G R Molarity tells us the number of moles * of solute in one liter of a solution. False…

A: Given,  The Molarity of the solution is:

Q: Ex. 1: A sат, 500. ml volu mark on the resulting solu

A: Molarity is number of moles of solute dissolved per litre of water.

Q: 4.00 mL of H2O, 3.25 mL of an aqueous 0.030 M SCN- solution, and 11.00 mL of an aqueous 0.020 M Fe3+…

A: Here, Molarity of SCN-=0.030 MVolume of SCN-=3.25 mL×1L1000mL=0.00325 LMolarity of Fe3+=0.020…

Q: 3. When a solution of barium chloride (BaClaa) is added to a solution of sodium sulfate (NazSO4(aq),…

A: 1) A molecular equation is sometimes simply called a balanced equation. In a molecular equation, any…

Q: A student, performing the same experiment as you, recorded the following information. The original…

A: The balanced reaction of acetic acid v/s NaOH is as follows: CH3COOH+NaOH→CH3COONa+H2O Determination…

Q: How many grams of solute are needed to make 526 mL of 7.30 × 10² M potassium sulfate? g solute

A: Molarity of potassium sulphate is given by the following formula;

Q: Part A 0.45 mol of Na₂SO4 in 5.46 L of solution Express the molarity in moles per liter to two…

A:

Q: Use the References to access important values if needed for this question. A student weighs out a…

A: Dear student this question is related to molarity concept.

Q: A chemistry student needs to standardize a fresh solution of sodium hydroxide. She carefully weighs…

A: The balanced chemical reaction is given as: H2C2O4 (s) + 2NaOH (aq) → Na2C2O4 (aq) + 2H2O (l)…

Q: I measure out 15.98 g of potassium chloride and dissolve it in water. The total volume of solution…

A: Given, amount of KCl =15.98 gvolume of solution =500.0 mL =0.5 Lmolar mass of KCl =74.55 g/molwe are…

Q: In an oxidation reaction, Iron (II) iodide converted into Iron (III) oxide and iodine gas. What…

A:

Q: entration In che artemis

A: V1 =0.8mLC1 =100mMV2 =1μL=1000LC2 =?

Q: 1. When you arrive at the lab, 2.0 M H2SO4(aq) and 2.0 M HC2H3O2(aq) will be present. You will need…

A: Since you have posted multiple questions, according to guidelines I am solving first one.If you want…

Q: [References] You have 250. mL of 0.245 M HCl. Using a volumetric pipet, you take 50.00 mL of that…

A: Dilution The dilution process is the process to change (decrease) the concentration of solution in…