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# Stoichiometry: Conversion Factors, Mass to Volume of Reactants

CHEM-WMS9HK

Below is a balanced equation for the reaction of nitrogen with hydrogen to produce ammonia.

Which conversion factor(s) would be used if the mass of hydrogen was given and needed to be converted to volume of the same at STP?

$$N_{2}(g)\ +\ 3H_{2}(g)\rightarrow 2NH_{3}(g)$$

Select ALL that apply.

A

$\cfrac{2.0159\ g\ H_{2}}{1\ mole\ H_{2}}$

B

$\cfrac{1\ mole\ H_{2}}{2.0159\ g\ H_{2}}$

C

$\cfrac{28.02\ g\ N_{2}}{1\ mole\ N_{2}}$

D

$\cfrac{1\ mole\ N_{2}}{28.02\ g\ N_{2}}$

E

$\cfrac{6.022\times 10^{23}\ molecules}{1\ mole\ H_{2}}$

F

$\cfrac{1\ mole\ H_{2}}{6.022\times 10^{23}\ molecules}$

G

$\cfrac{22.4\ L}{1\ mole\ H_{2}}$

H

$\cfrac{1\ mole\ H_{2}}{22.4\ L}$