Asked by Give Away

A student was working with washing soda (Na2CO3) for his science fair experiments. If he used 362 g of Na2CO3 (MM = 106 g/mol) how many moles of sodium are present in his sample?

_________ mol Na. Do NOT enter unit and report your final answer with 3 SFs.
Answered by oobleck
362g * 1mole/106g = 362/106 mole (of Na2CO3)
now double that, since each molecule has 2 Na atoms
Answered by Give Away
so i got 362/106 = 3.411509434..
what do I do next? Should Multiply that by 2?

3.411509434 x 2?
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