Question

zad. 1

mam tylko dane:

Cp=98%

mr= 400

szukane :

mHSO4=?

zad.2

dane:

ms= 20g

mH2O= 50g

szukane :

Cp=?

zad.3

dane:

Cp=15,1%

d=1,16g/dm3

Answer 1

zad. 1

Cp=98%

mr= 400

szukane :

mHSO4=?         

 

Cp=ms/mr*100%

98%=ms/400*100%       /:100

0,98=ms/400          /*400

392=ms

 

zad.2

dane:

ms= 20g

mH2O= 50g

mr=50+20=70g

szukane :

Cp=?

 

Cp=ms/mr*100%

Cp=20/70*100%

Cp=2000%/70

Cp=28,6%

 

zad.3

 

Brak szukanych.