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Calculate the molarity (M) of a 65% (w/v) copper sulfate solution (m.w. = 160.0 g/mol).
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- In order to make a solution of the concentration 0.364 M, what mass of NaCl should bedissolved in 152 mL of water?What is the Molarity of 10 grams of NaCl dissolved in 3L of solvent?Calculate the molarity of dilute Ca(OH)2 solution if the titration of 30.00 mL of 0.05231 M HCl required 24.76 mL of the acid. An 0.2500 g hydroxide tablet sample submitted in the lab used 36.75 mL during titration. How much is the hydroxide in mg present?
- How many grams of NaCl are required to prepare 100 mL of a solution of 1 M NaCl? (NaCl molecular weight = 58.44 g/mol)What is the approximate concentration of the solution in mol\kg, if 1 mol of solute particles raises the boiling point of 1 kg of solvent by 3.63 °C (3.63 K)?Does 30% NaCl (MW=58.44g/mol,ionic) have the same, increased, or decreased osmotic pressure as 30% sodium phosphate? Why?
- A solution contains 2.2 x 10 -3 M in Cu2+ and 0.33 M in LiCN. If the Kf for Cu(CN)42- is 1.0 x 1025 , how much copper ion remains at equilibrium?When 0.5 mol of a certain ionic substance is dissolved in 1.0 kg of water, the freezing point of the resulting solution is -2.8 °C (270.35 K), How many ions does the substance give when it dissolves?Using this data, calculate the molarity of the oxalic acid standard solution.