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Limiting reactants homework make up quiz

Authored by Thomas May

Chemistry

10th Grade

Used 8+ times

Limiting reactants homework make up quiz
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10 questions

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1.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

If a chemist calculates the maximum amount of product that could be obtained from a chemical reaction, he or she is calculating the

Theoretical yield

Mole ratio

Actual yield

Percentage yield

2.

MULTIPLE CHOICE QUESTION

10 mins • 1 pt

Cl2 + 2KBr → Br2 + 2KCl

How many grams of potassium chloride can be produced from 356 g of chlorine and 356 g of potassium bromide?

749 g

223 g

479 g

814 g

3.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

What is the measured amount of a product obtained from a chemical reaction?

Mole ratio

Theoretical yield

Percentage yield

Actual yield

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Mg + 2HCl → MgCl2 + H2

Identify the limiting reactant when 6.00 g HCl combines with 5.00 g Mg to form MgCl2.

Mg

H2

MgCl2

HCl

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

In a lab, a scientist calculated that he should produce 12.3 grams of product in his experiment. When he is finished collecting his product, it weighs 10.1 grams. What is his percent yield?

82.1%

0.82%

10.1%

122%

6.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

4NH3 + 6NO → 5N2 + 6H2O

What is the limiting reactant if 10 moles of NH3 react with 30 moles of NO?

NH3

NO

N2

H2O

7.

MULTIPLE CHOICE QUESTION

2 mins • 1 pt

A chemist interested in the efficiency of a chemical reaction would calculate the

Mole ratio

Rate of reaction

Percent yield

Energy released

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