Question

what is the mass, in grams, of 63.0 moles of c?
8.06 grams
756 grams
126 grams
378 grams

Explanation:

Step1: Recall the molar mass of carbon

The molar mass of carbon (\(C\)) is \(12.0\space g/mol\).

Step2: Use the formula \(m = n\times M\)

Here, \(n = 63.0\space mol\) (number of moles) and \(M=12.0\space g/mol\) (molar mass). Then \(m=63.0\times12.0\).

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Answer:

756 grams