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mMgO= ?
C kwasu = 0,5 dm^3
C kwasu = 4,6 mol/ dm^3
n kwasu = ?
C=n/V
n=C * V
n= 4,6 mol/dm^3 * 0,5 dm^3 = 2,3 mola
m MgO = 1,15 mola * 40 g/mol = 46 g/mol
d=1,15 g/cm^3 = 0,00115 dm^3
Cm= Cp * d / M * 100 %
Cp = Cm * M* 100 % / d
Cp = 1,15 mol/dm^3 * 40 g/mol * 100% / 0,00115 dm^3 =