zamieszano 200g 25 procentowego roztworu wodorotlenku potasu ze 100g 10 procentowego roztworu wodorotlenku potasu oblicz stezenie procentowe powstałego roztworu
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1.
Cp= ms/mr *100%
Ms= 25g*2 + 10 g = 60g
Mr= 300g
Cp = 60g/300g*100% = 20%
1.
Cp= ms/mr *100%
Ms= 25g*2 + 10 g = 60g
Mr= 300g
Cp = 60g/300g*100% = 20%