A 17 ml sample of a solution of li2s was diluted with water, Chemistry

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A 17 ml sample of a solution of li2s was diluted with water

1. How many milliliters of a 90 mL solution of 1.7 M K2SO4 must be used to make 65 mL of a solution that has a concentration of .91 M K+?

2. A 17 mL sample of a solution of Li2S was diluted with water to 79 mL. A 60 mL sample of the dilute solution was found to contain 1.3 M Li+. What was the concentration of Li2S in the original undiluted solution?

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Chemistry: A 17 ml sample of a solution of li2s was diluted with water

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Chemistry: A 17 ml sample of a solution of li2s was diluted with water

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