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ms (masa substancji) - 1,5g
mr (masa roztworu) - 4g (1,5g + 2,5g)
Cp (stężenie procentowe) - ?
Wzór na Cp:
Cp = ms/mr * 100%
Cp = 1,5g/4g * 100% = 37,5%
ms = 1,5g
mr = 1,5g +2,5g= 4 g
Cp = (1,5g *100%)/ 4g= 37,5%