a. A student weighs out 9.18 g of CrSO4, transfers it to a 500. mL volumetric...

a. A student weighs out 9.18 g of CrSO₄, transfers it to a 500. mL volumetric flask, adds enough water to dissolve the solid and then adds water to the 500 mL mark on the neck of the flask.
Calculate the concentration (in molarity units) of chromium(II) sulfate in the resulting solution? ______M

b. In the laboratory, a student adds 13.3 g of aluminum acetate to a 125 mL volumetric flask and adds water to the mark on the neck of the flask. Calculate the concentration (in mol/L) of aluminum acetate, the aluminum ion and the acetate ion in the solution.

[Al(CH₃COO)₃]	= __M
[Al³⁺]	= __M
[CH₃COO^-]	= __ M

c. Calculate the mass, in grams, of manganese(II) iodide that must be added to a 250-mL volumetric flask in order to prepare 250 mL of a 0.193 M aqueous solution of the salt. ____g

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queen_honey_blossom answered 3 months ago

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