Dane:V = 0,5dm³ = 500cm³ d = 1,18g/cm³ Szukane:m = ?m = v * dm = 500cm³ * 1,18g/cm³ m = 590g20g --------- 100g roztworuxg ---------- 590g roztworux = 20g * 590g / 100gx = 118g KOH --> tyle gram KOH można otrzymać
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Dane:
V = 0,5dm³ = 500cm³
d = 1,18g/cm³
Szukane:
m = ?
m = v * d
m = 500cm³ * 1,18g/cm³
m = 590g
20g --------- 100g roztworu
xg ---------- 590g roztworu
x = 20g * 590g / 100g
x = 118g KOH --> tyle gram KOH można otrzymać