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04-06-2017
Chemistry

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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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Zaksomenumbers Zaksomenumbers

04-06-2017

You will use mass=mole x Molar mass
The molar mass of Na2CO3 is 106
So 0.45 x 106 = 47.7 grams

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JavierCollante JavierCollante

04-06-2017

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

[tex]0.450 mol \frac{106 grams}{1 mol} = 47.7 grams[/tex]

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