danar9808 danar9808

06-08-2017
Chemistry

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How many moles are there in a 1.40 kg bottle of water?

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athena211221 athena211221

06-08-2017

n (H2O) = m/M

m (H2O) = 1.4 kg = 1400g

M (H2O) = 2 x 1 + 16 = 18g/mol

n (H2O) = 1400/18 = 77.8mol

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