How many milligrams of {Magnesium Chloride B.P. (MgCl2.6H2O, M.Wt. 203.3) must be added to 172 mL...
How many milligrams of {Magnesium Chloride B.P. (MgCl2.6H2O, M.Wt. 203.3) must be added to 172 mL of a solution contains 250 mg of sodium chloride (NaCl, M.Wt. 58.5) such that all of the solution is mixed with water and made up to 600 mL, the final concentration of chloride is 11 mmol/L? (no decimal places)
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How many milligrams of {Magnesium Chloride B.P. (MgCl2.6H2O,
M.Wt. 203.3) must be added to 172 mL...
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please show work 17) When 200, mL of water are added to 100. mL of 12 % KCl solution the final concentration of KCI...
please show work
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D 2. A salt solution is added to a marine aquarium. What mass of sodium chloride (NaCl, 58.44 g/mol) is needed to produce 250.0 mL of a solution that has a concentration of 50.0 mM ? 58.5 g 2.92 mg 731 g 2.92 g 731 mg
please show work
17) When 200, mL of water are added to 100. mL of 12 % KCl solution the final concentration of KCI is (Assume the volumes add.) A) 12% B) 4.0% C) 36%. D) 6.0% E) 8.0% 18) What is the molarity of a solution containing 5.0 moles of KCI in 2.0 L of solution? A) 2.5 M B) 1.0 M C) 5.0 M C) 10. M E) 2.0 M 19) What is the molarity of a solution...
Isopropyl alcohol is mixed with water to produce a 38.0% (v/v) alcohol solution. How many milliliters of each component are present in 875 mL of this solution? Assume that volumes are additive. alcohol: mL water: ml The mass of solute per 100 mL of solution is abbreviated as (m/v). Mass is not technically the same thing as weight, but the abbreviation (w/v) is also common. How many grams of sucrose are needed to make 695 mL of a 38.0% (w/v)...
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