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Stoich Review

Authored by Sue Bentley

Chemistry

10th - 12th Grade

NGSS covered

Used 14+ times

Stoich Review
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15 questions

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1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

How many grams are in 7.8 moles of NaCl?

476grams

460 grams

456 grams

462 grams

2.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

Using the following equation:
Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)
How many moles of iron can be made from  6 moles H2

4 moles Fe
6 moles Fe
9 moles Fe
2 moles Fe

Tags

NGSS.HS-PS1-7

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

N2 +  3H2 → 2NH3 
How many moles of hydrogen are needed to react with 2 moles of nitrogen?

6
2
3
1

Tags

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

1 min • 1 pt

2 NaClO3 (s) --> 2NaCl (s) +3 O2 (g)  
12.00 moles of NaClO3 will produce how many grams of O2?

256 g of O2
576 g of O2
288 g O2

Tags

NGSS.HS-PS1-7

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the molar mass of AuCl3?

96 g

130 g

232.5 g

303.5 g

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

CH4 + 2 O2 → CO2 + 2 H2O

How many moles of carbon dioxide are produced from the combustion of 110 g of CH4?

13.7 mol

2.75 mol

6.11 mol

6.87 mol

7.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Using the following equation:

Fe2O3(s) + 3H2(g) → 2Fe(s) + 3H2O(l)

How many moles of water can be made from 6 moles H2?

4 moles

6 moles

9 moles

2 moles

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