Mole Calculations Practice

Mole Calculations Practice

10th Grade

10 Qs

quiz-placeholder

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Mole Calculations Practice

Mole Calculations Practice

Assessment

Quiz

Science

10th Grade

Medium

NGSS
HS-PS1-7

Standards-aligned

Created by

Brandy Giles

Used 6+ times

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10 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

How many grams are in 7.8 moles of NaCl?

476 grams

456 grams

452 grams

462 grams

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

N2 + 3H2 → 2NH3

How many moles of hydrogen are needed to react with 2 moles of nitrogen?

1

2

3

6

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Calculate the number of particles (atoms) in 0.250 moles of silver.

1.62 x 1025 atoms Ag

4.15 x 10-25 atoms Ag

1.51 x1023 atoms Ag

27.0 atoms Ag

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

What is the percent composition of C in C4H10?

48.0%

58.0%

17.2%

82.8%

5.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

4NH3(g) + 6NO(g) --> 5N2(g) + 6H2O(g)

How many moles of ammonia are needed to form 0.65 moles of nitrogen with excess quantities of nitrogen monoxide?

0.65 moles of NH3

4.0 moles of NH3

2.6 moles of NH3

0.52 moles of NH3

Tags

NGSS.HS-PS1-7

6.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

2Na(s) + Cl2(g) --> 2NaCl(s)


3.0 moles of chlorine are reacted with 3.0 sodium, what was the theoretical yield (how much NaCl should have been produced)?

6.0 mol NaCl

3.0 mol NaCl

9.0 mol NaCl

1.5 mol NaCl

Tags

NGSS.HS-PS1-7

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

If the theoretical yield is 18 moles and the actual yield is 14 moles, what is the percent yield?

128.6%

32.0%

77.8%

92.4%

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