Dimensional Analysis

Question 1

Potassium permanganate (KMnO4) reacts with hydrochloric acid (HCl) to form potassium chloride (KCl), manganese chloride (MnCl2), water (H2O), and chlorine gas (Cl2). The balanced chemical equation is 2KMnO4 + 16HCl → 2KCl + 2MnCl2 + 8H2O + 5Cl2. Select the correct ratios of each of the following substances.KMnO4:KCl =

Revolt · Accepted Answer

A: 2:2

Question 2

For the reaction2Fe + 3Cl2 → 2FeCl3which of the following options gives the correct reactant:reactant ratio?

Revolt · Accepted Answer

B: Fe:Cl2 = 2:3

Question 3

Question 3

Revolt · Accepted Answer

A: 0.835 mol O2

Question 4

A quantity of NH3 decomposes to produce 0.0351 mol N2. How many moles of H2 are produced?

Revolt · Accepted Answer

C: 0.105 mol H2

Question 5

HCl:H2O =

Revolt · Accepted Answer

B: 16:8

Question 6

Question 6

Revolt · Accepted Answer

A: Yes, and I got the correct answer.; B: Yes, but I got the wrong answer because I made a mathematical error.; C: No, I did not set up the equation correctly.

Question 7

Question 7

Revolt · Accepted Answer

A: Yes, and I got the correct answer.; B: Yes, but I got the wrong answer because I made a mathematical error.; C: No, I did not set up the equation correctly.

Question 8

For the reaction2C6H5COOH + 15O2 → 14CO2 + 6H2Owhich of the following options gives the correct product:product ratio?

Revolt · Accepted Answer

A: CO2:H2O = 14:6

Question 9

KMnO4:Cl2 =

Revolt · Accepted Answer

C: 2:5

Question 10

HCl:MnCl2 =

Revolt · Accepted Answer

B: 16:2

Dimensional Analysis Answers

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