Question

A solution was prepared by dissolving 203mg of potassium sulfate (K2SO4, MW = 174.24 g/mol) in 565 mL of water. Use this information to calculate each quantity.

a. Moles of K2SO4 = ? mol

b. Millimoles of K2SO4 = ? mmol

c. [K2SO4] = ? M

d. [K+] = ? M

e. [SO4 2-] = ? M

f. ppm K2SO4 = ? ppm

g. % (w/v) K2SO4 = ? %(w/v)

h. pK+ =

i. pSO4 2- =

Answer 1

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