m = V*d
1l = 1000cm3 = 1000cm3*1,5g/cm3 = 1500g
20g soli -------100g rr
x ----------------1500g
x = 20g*1500g/100g = 300g
Odp. Należy rozpuścić 300g soli kuchennej.
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m = V*d
1l = 1000cm3 = 1000cm3*1,5g/cm3 = 1500g
20g soli -------100g rr
x ----------------1500g
x = 20g*1500g/100g = 300g
Odp. Należy rozpuścić 300g soli kuchennej.