2.15×10-2 m Na2CrO4 solution made by dissolving the Na2CrO4 in 1000.0 g of water: mol
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15×10^-2 m solution made by dissolving it in 1000.0 g of water, we can follow these steps: ** Show more…
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A 5.0889 g sample of Na2CrO4 (MW = 161.97 g/mol) is dissolved in 1000.0 mL of water. Assume the solution has a density of 1.00 g/mL. What is the concentration of Na+ (MW = 22.9898 g/mol) in the solution in units of molarity (M)? What is the concentration of Na+ in the solution in units of parts per thousand (ppt)? A 25.0 mL aliquot of the solution is then diluted to a final volume of 250.0 mL. What is the concentration of Na+ in the diluted solution in units of parts per million (ppm)?
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You wish to prepare 500.0 mL of a 425.0 ppm w/v sodium (MW = 22.9897 g/mol) solution. How many grams of sodium dichromate dihydrate (Na2Cr2O7 · 2 H2O, MW = 297.998 g/mol) are needed to prepare this solution? Assume the final solution has a density of 1.00 g/mL.
You wish to prepare 100.0 mL of a 450.0 ppm w/v sodium (MW = 22.9897 g/mol) solution. How many grams of sodium dichromate dihydrate (Na2Cr2O7 · 2 H2O, MW = 297.998 g/mol) are needed to prepare this solution? Assume the final solution has a density of 1.00 g/mL.
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