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A chemist requires 0.450 mol na2co3 for a reaction. how many grams does this correspond to?
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4 votes
A chemist requires 0.450 mol na2co3 for a reaction. how many grams does this correspond to?

User Vadirn
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2 Answers

3 votes
to convert moles to grams, we need the molar mass of the molecule

molar mass of Na₂CO₃= (2 x 23.0) + 12.0 + (3 x 16.0)= 106 g/mol


0.450 mol (106 grams)/(1 mol) = 47.7 grams
User Pyd
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5 votes
You will use mass=mole x Molar mass
The molar mass of Na2CO3 is 106
So 0.45 x 106 = 47.7 grams
User Activars
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