8. a How many ml of a sodium hydroxide solution with a concentration of 40g/100cm' should be measured out to prepare 200
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8. a How many ml of a sodium hydroxide solution with a concentration of 40g/100cm' should be measured out to prepare 200
8. a How many ml of a sodium hydroxide solution with a concentration of 40g/100cm' should be measured out to prepare 200cm of 0.5M solution? (2) 9. Calculate the molar concentration of H.PO, solution (d=1g/cm) if 2dm of water added to 200cm of an acid with concentration of 50g/dmº. (5)
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