Gram to Gram Stoichiometry Practice

A baker needs 6 g of baking soda for a recipe. The chemical formula for baking soda is NaHCO₃. How many moles of baking soda is needed?

• 0.071 mol

• 0.167 mol

• 0.273 mol

• 0.214 mol

How many steps will it take me to convert units from grams of compound A to grams of compound B?

• 4

• 3

• 2

• 1

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NGSS.HS-PS1-7

If we have 10 g of O₂, how many grams of H₂O can we make?

2H₂ + O₂ --> 2H₂O

Place the parts of the setup of a gram to gram conversion in the correct position.

a

b

c

d

e

f

2 mol H₂O/1 mol O₂

10 g O₂

32 g O₂

18.02 g H₂O

1 mol O₂

1 mol H₂O

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NGSS.HS-PS1-7

The correct order of unit conversions for gram to gram stoichiometry is

• mol -> mol -> g

• g -> mol -> mol -> g

• mol -> g -> mol -> g

• mol -> g -> g -> mol

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

• 749 g

• 225 g

• 479 g

• 814 g

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NGSS.HS-PS1-7

How much aluminum would be needed to react with 45 grams of O₂?

• 28.5 g

• 71.1 g

• 60 g

• 50.6 g

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NGSS.HS-PS1-7

How many grams of aluminum sulfate would be formed if 250 g H₂SO₄ completely reacted with aluminum?

• 0.85 g

• 290 g

• 450 g

• 870 g

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NGSS.HS-PS1-7

B₂H₆ + 3 O₂ ->2 HBO₂ + 2 H₂O 

What mass of O₂ will be needed to burn 36.1 g of B₂H₆?

• 13.8 g O₂

• 3.86 mol of O₂

• 124 g O₂

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NGSS.HS-PS1-7

How many grams of water are produced when 8 grams of hydrogen gas reacts with excess oxygen?

• A) 72 g

• B) 64 g

• C) 36 g

• D) 18 g

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NGSS.HS-PS1-7

What is the mass of carbon dioxide produced from 44 grams of propane (C_3H_8) combustion?

• A) 132 g

• B) 88 g

• C) 176 g

• D) 264 g

Tags

NGSS.HS-PS1-7