Jaką liczbę moli stanowi: a)2,4 g wody b)4.8 dm3 azotu (warunki normalne) c)3,01*10do23 atomów żelaza
a) mH2O=18g/mol
18g ------- 1 mol
2.4g ------ x
x=0.13mola
b)
22.4dm^3 -----1mol
4.8dm^3-------x
x0.2mola
c)
6.02*10^23atomow ------ 1 mol
3.01*10^23 atomow --------x
x=0.5mola
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a) mH2O=18g/mol
18g ------- 1 mol
2.4g ------ x
x=0.13mola
b)
22.4dm^3 -----1mol
4.8dm^3-------x
x0.2mola
c)
6.02*10^23atomow ------ 1 mol
3.01*10^23 atomow --------x
x=0.5mola