a) 1 g/cm3= .......kg/m3 b) 0,78 g/cm3= .........kg/m3 c) 1 kg/m3= g/cm3 d) 23 kg/m3= ........g/cm3

1kg = 1000g 1m = 100cm 1m³ = 1000000cm³ [latex]1frac{g}{cm^3}=1cdot frac{frac{1}{1000}kg}{frac{1}{1000000}m^3}=frac{0,001}{0,000001}=1000frac{kg}{m^3}\0,78frac{g}{cm^3}=0,78cdot frac{frac{1}{1000}kg}{frac{1}{1000000}m^3}=frac{0,00078}{0,000001}=780frac{kg}{m^3}\1frac{kg}{m^3}=1cdotfrac{1000g}{1000000cm^3}=frac{1000}{1000000}=0,001frac{g}{cm^3}\23frac{kg}{m^3}=23cdot frac{1000g}{1000000cm^3}=frac{23000}{1000000}=0,023frac{g}{cm^3}[/latex]

Odp. 1[g/cm3] = 1000[kg/m3]. b) 0,78[g/cm3] = 780[kg/m3] - mnożysz przez 1000.; c) 1[kg/m3] =0,001[g/cm3]. d) 23[kg/m3] = 0,023[g/cm3].