Asked by MC

Use the molar mass of the following in order to calculate the number of moles from the given masses. Watch the significant figures
a) 0.025 g of oxygen
b)0.657 g og copper
c) 0.7 g of chlorine

I know how to calculate with finding the molar mass but not this way. thank you so much

I'm thinking you would take 0.025 x 16.00 and that will equal ...

Answers

Answered by DrBob222
mols = grams/molar mass.
a. 0.025/32 = ?
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