Oblicz stęrzenie procentowe roztworu kwasu azotowego (V) , zawierającego 220g wody oraz 30g kwasu .
Ms - 30g
Mrozp - 220g
Mr = Ms + Mrozp
Mr = 220g + 30g = 250g
250g - 100%
30g - x%
x= (30g * 100%)/250g = 3000 / 250 = 12%
Odp. Stężenie tego kwasu wynosi 12 %.
ms=30g
mr=30g+220g=250g
Cp=?
Cp=ms/mr * 100%
Cp=30g/250g * 100%
Cp=12%
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Ms - 30g
Mrozp - 220g
Mr = Ms + Mrozp
Mr = 220g + 30g = 250g
250g - 100%
30g - x%
x= (30g * 100%)/250g = 3000 / 250 = 12%
Odp. Stężenie tego kwasu wynosi 12 %.
ms=30g
mr=30g+220g=250g
Cp=?
Cp=ms/mr * 100%
Cp=30g/250g * 100%
Cp=12%