дано
V(H2S) = 15 L
n(H2S)-?
m(H2S)-?
N(H2S)-?
n (H2S) = V(H2S) / Vm = 15 / 22.4 = 0.67 mol
M(H2S) = 34 g/mol
m(H2S) = n*M = 0.67 * 34 = 22.78 g
N(H2S) = n(H2S) * N(A) = 0.67 * 6.02*10^23 = 4.03*10^23 молекул
ответ 0.67 mol, 22.78 g, 4.03*10^23 молекул
дано
V(H2S) = 15 L
n(H2S)-?
m(H2S)-?
N(H2S)-?
n (H2S) = V(H2S) / Vm = 15 / 22.4 = 0.67 mol
M(H2S) = 34 g/mol
m(H2S) = n*M = 0.67 * 34 = 22.78 g
N(H2S) = n(H2S) * N(A) = 0.67 * 6.02*10^23 = 4.03*10^23 молекул
ответ 0.67 mol, 22.78 g, 4.03*10^23 молекул