Question

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 ...

10 years ago