m (NH4)2SO4 = 2*14u + 8* 1u + 32u + 4*16u = 132um 11(NH4)2SO4 = 11*132u = 1452 u
m H2O = 2u + 16 =18um 15 H2O = 15 * 18u = 270u
m roztworu = 1452u + 270u =1722u
Cp =(1452 : 1722) * 100%Cp =84,32 %
Odp: Stężenie procentowe wynosi 84,32
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m (NH4)2SO4 = 2*14u + 8* 1u + 32u + 4*16u = 132u
m 11(NH4)2SO4 = 11*132u = 1452 u
m H2O = 2u + 16 =18u
m 15 H2O = 15 * 18u = 270u
m roztworu = 1452u + 270u =1722u
Cp =(1452 : 1722) * 100%
Cp =84,32 %
Odp: Stężenie procentowe wynosi 84,32