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.
Answer i got is this .. Is there another step I am missing/forgot to do?
so i got 362 / 106 = 3.411509434
2 Na = 2 * 23 = 46 grams / mol Na2CO3
2 Na + C + 3 O = 46 + 12 + 48 = 106 grams / mol Na2CO3
so
GRAMS Na = (46 /106)362 = 157 grams Na
157 grams Na * (1 mol/23 grams) = 6.83