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Samantha Kaufman
Chemistry
1 March, 19:11
How many kilograms are in 4 moles of Na2CO3?
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Shaylee
1 March, 19:34
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First you need to find the amount of mass of Na2CO3 in one moles
(Use periodic chart)
Na = 22.99 x 2 = 45.98
C = 12.01
O = 16.00 x 4 = 64.00
Add the molar masses together to get 121.99
To find how many grams are in 4 moles, times 121.99 by 4
This gives you 487.96
But the questions asks for the answer to be in kilograms nor grams, to change into kilograms divide by 1000
This gets you the answer: 0.49 kg
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