Question

What is the grams in 1.26⋅10−4 mol of HC2H3O2?

Answer 1

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Answer:

0.0075663 grams of HC2H3O2

Explanation:

HC2H3O2 =60.05 g/mol

The number of mols can be expressed by $n = \frac{m}{M}$

We may rearrange this into m=n⋅M

m= 0.000126⋅60.05

m =0.0075663 grams

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