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What is the molarity of a solution composed of 2.08 g of potassium iodide (KI) dissolved in enough water to make 0.393 L of solution? Answer in units of M.

In the reaction H2SO4 + Na2CO3 -> Na2SO4 + CO2 + H2O 14.5 g of water is collected. What is the molarity of sulfuric acid if 1.78 L were used in the reaction? 1. 146 M 2. 0.453 M 3. 0.0046 M 4. 1.43 M 5. 1.78 M 6. 0.697 M

A chemist dissolves 0.096 g of CuSO4 · 5H2O in water and dilutes the solution to the mark in a 500-mL volumetric flask. A 23.8-mL sample of this solution is then transferred to a second 500-mL volumetric flask and diluted. What is the molarity of CuSO4 in the second solution? Answer in units of...