1. Masa roztworu:
mr=40g+260g=300g
2. Stężenie procentowe:
Cp=ms*100%/mr
Cp=40g*100%/300g
Cp≈13,3%
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1. Masa roztworu:
mr=40g+260g=300g
2. Stężenie procentowe:
Cp=ms*100%/mr
Cp=40g*100%/300g
Cp≈13,3%