How do you find out the number of moles in sodium bicarbonate

[From: ] [author: ] [Date: 12-04-30] [Hit: ]

number of moles of NaHCO3 = given weight/molecular mass = 2.5/84 = 0.029 moles-There are 84 grams per mole (molecular weight of sodium bicarbonate).You have 2.5 grams.The rest is arithmetic.......

I have 2.5g of sodium bicarbonate, how would I find the moles?

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molecular mass of sodium bicarbonate (NaHCO3) = 23 (atomic mass of Na) + 1 ( atomic mass of H) + 3 X 16 ( atomic mass of O) = 84 g/mole

number of moles of NaHCO3 = given weight/molecular mass = 2.5/84 = 0.029 moles

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There are 84 grams per mole (molecular weight of sodium bicarbonate). You have 2.5 grams. The rest is arithmetic.

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