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14-07-2016
Chemistry

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to prepare 300.0 ml of 0.2 m nacl how many grams of nacl should be weighed out?

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Lexdesex Lexdesex

14-07-2016

One mole of NaCl weighs 58.44 grams
Therefore 1L of one mole of NaCl contains 58.44 grams
1L of 0.2m NaCl contains 58.44x0.2 = 11.69grams
300mL of 0.2m NaCl contains 11.69x0.3 = 3.51 grams

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