How many grams of MgBr2 are required to prepare a 250. mL solution with a concentration of 2.16 M?
mass = Molar mass * volume in,litre * Molarity
= 184.1130 * 0.250 * 2.16
= 99.421 g of MgBr2 needed
How many grams of MgBr2 are required to prepare a 250. mL solution with a concentration...
How many grams of potassium permanganate (KMnO4) are required to prepare a 250-mL solution whose concentration is 2.16 M?
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How many grams of potassium bromide are needed to prepare 300.0 mL of a solution that is 2.0%w/v? Do NOT include any units, just answer with the NUMBER of grams, for example: 4.2 or 13 or 220. Type your response What is the new concentration, if solvent is added to 20.0 mL of a solution that is 4.0%w/v, until the total volume of the solution is 100.0 mL? (DO NOT include any units with your answer.) Type your response 25...