Mass to mole

via
formula mass

Remember that the molecular mass is the mass of one mole or 6 X 1023 molecules of the compound in question. For example:

A water molecule has a formula mass of 18 atomic mass units. 6 X 1023 water molecules (or one mole of water molecules) weigh 18 grams.

Complete the table below with the following information at hand.
Na = 23, C =12, O =16, H =1.
***Hint- the molecular mass is the mass of one mole of the compound

Compound
Mass of sample
Number of mole of the compound present
4.4grams

204grams

34grams

15.6grams
1.06grams
0.232Kg
10grams
20grams

 

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