How many are needed to prepare a solution?
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You wish to prepare 500.0 mL of a 550.0 ppm w/v fluoride (MW = 18.9984 g/mol) solution. How many grams of beryllium fluoride (BeF2, MW = 47.01 g/mol) are needed to prepare this solution? Assume the final solution has a density of 1.00 g/mL.
How many grams of beryllium fluoride are needed to prepare 500.0 mL of 0.419 M Fâ?
How many grams of glucose are needed to prepare 400 mL of a 2.0%(m/v) glucose solution?
How many grams of solid sodium bicarbonate are needed to prepare 300 mL of a 0.500 M sodium bicarbonate solution?