14. Z 350g 6-procentowego octu odparowano 70g wody.
Oblicz stężenie procentowe otrzymanego roztworu
ilośc octu w 350g - 6/100 *350 = 21g
350 - 70 = 280
21/280 *100% = 7,5%
6%=x/350*100%
x=21g
350g-70g=280g
Cp=21/280*100%
Cp=7,5%
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ilośc octu w 350g - 6/100 *350 = 21g
350 - 70 = 280
21/280 *100% = 7,5%
6%=x/350*100%
x=21g
350g-70g=280g
Cp=21/280*100%
Cp=7,5%