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Conductance of Electrolytic Solution

how much sodi...

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how much sodium sulphate has to be added in hundred gram of water to make the concentration of sodium 20%?

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Calculate the mass of sodium sulphate required to prepare its 20% (mass %) solution in hundred grams of water

Q. Calculate the mass of sodium chloride required to prepare its 20% (mass %) solution in hundred grams of water.

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Q. The concentration of bivalent lead ions in a sample of polluted water that also contains nitrate ions is determined by adding solid sodium sulphate (M = 142) to exactly 500 mL water. Calculate the molarity of lead ions if 0.355 g of sodium sulphate was needed for complete precipitation of lead ions as sulphate.

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Conductance of Electrolytic Solution

Standard VII Chemistry

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