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Chemistry - Chemical Reactions - Stoichiometry | Worksheet

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Stoichiometry

Chemical Reactions • Chemistry

Set 1 — Foundation

What is the molar mass of water, $H_{2}O$ ?

$18.02 \text{ g/mol}$

$16.00 \text{ g/mol}$

$20.18 \text{ g/mol}$

$2.02 \text{ g/mol}$

In the reaction $2H_{2} + O_{2} \rightarrow 2H_{2}O$ , how many moles of are produced from 4 moles of ?

If you have 3 moles of $NaCl$ , how many grams do you have? (Molar mass of $NaCl = 58.44 \text{ g/mol}$ )

$175.32 \text{ g}$

What is the coefficient of $O_{2}$ in the balanced equation $C_{3}H_{8} + O_{2} \rightarrow CO_{2} + H_{2}O$ ?

How many moles are in 22.4 liters of a gas at STP?

$1$

$2$

$0.5$

$4$

Which of the following represents the law of conservation of mass?

Mass can be created or destroyed.

Mass is constant in chemical reactions.

Mass increases in reactions.

Mass decreases in reactions.

In the reaction $2Na + Cl_{2} \rightarrow 2NaCl$ , how many grams of $NaCl$ can be produced from 4 grams of ? (Molar mass of )

How many grams of $C_{6}H_{12}O_{6}$ are in 2 moles? (Molar mass of )

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Set 1Foundation Set 2Foundation Set 3Foundation Set 4Mastery Set 5Mastery Custom Worksheet

Other Sets

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Set 1Foundation Set 2Foundation Set 3Foundation Set 4Mastery Set 5Mastery Custom Worksheet

Other Sets

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Set 1Foundation Set 2Foundation Set 3Foundation Set 4Mastery Set 5Mastery Custom Worksheet

H_{2}O

H_{2}

$2$

$4$

$6$

$8$

$116.76 \text{ g}$

$58.44 \text{ g}$

$29.22 \text{ g}$

O2→

CO2+

H2O

$2$

$3$

$5$

$4$

Na

Na = 22.99 \text{ g/mol}

$45.98 \text{ g}$

$22.99 \text{ g}$

$91.96 \text{ g}$

$68.25 \text{ g}$

C_{6}H_{12}O_{6} = 180.18 \text{ g/mol}

$180.18 \text{ g}$

$360.36 \text{ g}$

$90.09 \text{ g}$

$180.00 \text{ g}$

What is the balanced form of the equation $C + O_{2} \rightarrow CO_{2}$ ?

$C + O_{2} \rightarrow CO_{2}$

$2C + O_{2} \rightarrow 2CO_{2}$

$C + 2O_{2} \rightarrow CO_{2}$

$C + O_{2} \rightarrow C_{2}O_{2}$

10.

In the reaction $2H_{2} + 2O \rightarrow 2H_{2}O$ , what is the ratio of $H_{2}$ to $O$ ?

$1:1$

$2:1$

$1:2$

$2:2$