PILNE!!!Oblicz stężenie % 5,5 molowego roztw. HNO3 o gęstośc 1,18g/cm3
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PILNE!!!Oblicz stężenie % 5,5 molowego roztw. HNO3 o gęstośc 1,18g/cm3
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Cm=5,5 mol/dm³
V= 1dm³ = 1000cm³
MHNO₃ = 63g/mol
d=1,18g/cm³
ms=Cm * V * M
ms=5,5 mol/dm³ * 1 dm³ * 63 g/mol
ms= 345,5 g
mr=d*V
mr=1,18 g/cm³ * 1000 cm³
mr=1180g
Cp=ms*100%/mr
Cp= (346,5g*100%)/1180g
Cp=29,4%