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4 votes
Number of moles of 25 grams of HF

1 Answer

3 votes
n=m/M

so n = 25g/(1.01+19.00)g/mol

n = 25g/20.01g/mol

n = 1.2493

Round to 2 sig figs

So the answer is 1.2 mol
User Jjkester
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