Jawabanmu

2014-06-07T08:03:24+07:00
Mol = massa / mr Mr CaCO3  : 100
25 : 100 = 0.25 mol
n = V / 22.4
0.25 = V / 22.4
V = 5.6 liter
2014-06-07T08:05:44+07:00
Mol CaCo3 =25 gram /100
= o,25

V= o,25 mol . 22,4
= 5,6