5O2 + 4P = 2P2O5
1.n (P) = m / M = 3.1 / 31 = 0.1
2. n (O2) = n (P) x 5 / 4 = 0.125
3. V (O2) = n x Vm = 0.125 x 22.4 = 2.8 л
4P + 5O2 = 2P2O5
m=3100г
n=3100/31=100 моль
n(O2) = (5 * 100)/4 = 125
V(O2) = 125 * 22.4 = 2800л
n(P2O5) = (2*100)/4 = 50
M(P2O5) = 62 + 80 = 142
m(P2O5) = 50 * 142 = 7100г
5O2 + 4P = 2P2O5
1.n (P) = m / M = 3.1 / 31 = 0.1
2. n (O2) = n (P) x 5 / 4 = 0.125
3. V (O2) = n x Vm = 0.125 x 22.4 = 2.8 л
4P + 5O2 = 2P2O5
m=3100г
n=3100/31=100 моль
n(O2) = (5 * 100)/4 = 125
V(O2) = 125 * 22.4 = 2800л
n(P2O5) = (2*100)/4 = 50
M(P2O5) = 62 + 80 = 142
m(P2O5) = 50 * 142 = 7100г