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How many grams are in 15.6 moles of C6H6

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Answer:

1218.672g (1220 g with sig figs)

Step-by-step explanation:

molar highway: g <-molar mass-> mol <-avogadro-> particle

right now you are at moles, and you have to move to grams by using the molar mas

atomic mass of carbon = 12.01 amu x 6 = 72.06

atomic mass of hydrogen = 1.01 amu x 6 = 6.06

78.12 = molar mass of C6H6

set up the conversions:


\frac{15.6 mol C_(6)H_(6)}{} *(78.12 g)/(1 molC_(6)H_(6) ) = 1218.672

take sig figs into account and it rounds to 1220 grams

User Hongfeng
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