Mole to Mole Mole to Mass

Mole to Mole Mole to Mass

10th - 12th Grade

5 Qs

quiz-placeholder

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Mole to Mole Mole to Mass

Mole to Mole Mole to Mass

Assessment

Quiz

Chemistry

10th - 12th Grade

Hard

NGSS
HS-PS1-7, HS-PS1-2

Standards-aligned

Created by

Charles Martinez

FREE Resource

5 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Carbon tetrachloride is a solvent which is used as a refrigerant and also as a cleaning agent. Today, methane and chlorine are mainly used to produce carbon tetrachloride:


CH4 + 4Cl2 → CCl4 + 4HCl


How many grams of carbon tetrachloride can be produced from reacting 5.5 moles of of chlorine (Cl2) with excess methane?

154 g

847 g

212 g

4 g

Tags

NGSS.HS-PS1-7

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In the reaction 2RbNO3 → 2RbNO2 + O2, how many moles of O2 are produced when 5.0 mol of RbNO3 decompose?

1.0 mol

2.5 mol

3.0 mol

7.5 mol

Tags

NGSS.HS-PS1-7

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

In 1860, Robert Boyle was the first to use phosphorus to ignite sulfur-tipped wooden splints that gave rise to our modern matches. One of the ways it can be made involves the chemical reaction of calcium phosphate with carbon and silicon dioxide in a furnace:

2Ca3 (PO4 )2 + 6SiO2 + 10C → 6CaSiO3 + P4 + 10CO

Refer to the information above. If you use 2.25 moles of calcium phosphate and an excess of silicon dioxide and carbon, how many moles of phosphorus will be produced?

1.125 moles

4.5 moles

31 moles

34.9 moles

Tags

NGSS.HS-PS1-2

NGSS.HS-PS1-7

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Baking soda (sodium bicarbonate) is a compound commonly used in baked goods, as a deodorizer in refrigerators, and as an antacid. Commercial quantities of baking soda are produced by mixing soda ash dissolved in water with carbon dioxide. Baking soda precipitates as a solid from this method:


Na2CO3 + CO2 + H2O → 2NaHCO3


If you have 25 moles of soda ash, how many grams of sodium bicarbonate can you produce?

84 grams

4200 grams

50 grams

1050 grams

Tags

NGSS.HS-PS1-7

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

One step in the production of copper is to heat copper (I) sulfide, Cu2S, with oxygen. This produces copper (I) oxide and sulfur dioxide gas according to the following reaction:

2Cu2S(s) + 3O2(g)→ 2Cu2O(s) + 2SO2(g)

Which is the greatest mass of SO2 that can be produced from 15.0 mol Cu2S?

480 g SO2

721 g SO2

961 g SO2

1920 g SO2

Tags

NGSS.HS-PS1-7