Didalam 200ml larutan terlarut 5,3 mg Ag2Cro4 (Mr =332)
berapa kelarutan Ag2CrO4 dalam mol L^-1 larutan ?
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Mol Ag2CrO4 = Massa Ag2CrO4/Mr Ag2CrO4
= 5,3 x 2 x 10^-3 gram /332 gram/mol
= 0,03 x 10^-3 mol
= 3 x 10^-5
Kelarutan (s) = mol / volume
= 3 x 10^-5 mol /0,1 L
= 3 x 10^-4 molL-1 <--
semoga membantu :)