oblicz ile gramów kwasu siarkowego znajduje się w0,5 dm roztworu o stężeniu 59,7% gęstość tego roztworu wynosi1,5 g cm
d=m/V
m=500cm3 x 1,5g/cm3
m=750g roztworu
Cp=ms/mr x 100%
0,597=ms/750
ms=447,75g kwasu
mr=0,5dm³*1,5g/cm³=500cm³*1,5g/cm³=750g
Cp=59,7%
ms=?
Cp=ms/mr * 100% /*mr
Cp*mr=ms*100% /:100%
ms=Cp*mr/100%
ms=59,7%*750g/100%
ms=447,75g
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d=m/V
m=500cm3 x 1,5g/cm3
m=750g roztworu
Cp=ms/mr x 100%
0,597=ms/750
ms=447,75g kwasu
mr=0,5dm³*1,5g/cm³=500cm³*1,5g/cm³=750g
Cp=59,7%
ms=?
Cp=ms/mr * 100% /*mr
Cp*mr=ms*100% /:100%
ms=Cp*mr/100%
ms=59,7%*750g/100%
ms=447,75g