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# Stoichiometry: Conversion Factors, Molecules to Moles

CHEM-QIPYAR

Below is a balanced equation for the reaction of nitrogen with hydrogen to produce ammonia. Which conversion factor(s) would be used if the molecules of hydrogen were given and it needed to be converted to moles of the same?

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

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

$\cfrac{17.0337\ g\ NH_{3}}{1\ mole\ NH_{3}}$

D

$\cfrac{1\ mole\ NH_{3}}{17.0337\ g\ NH_{3}}$

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

$\cfrac{2\ mole\ NH_{3}}{3\ mole\ H_{2}}$

H

$\cfrac{3\ mole\ H_{2}}{2\ mole\ NH_{3}}$