Объяснение:
Mr(CH3NH2) = 12 + 1 · 3 + 14 + 1 · 2 = 31
w(C) = 12/31 * 100% ≈ 39%
w(H) = 5/31 * 100% ≈ 16%
w(N) = 14/31 * 100% ≈ 45%
Объяснение:
Mr(CH3NH2) = 12 + 1 · 3 + 14 + 1 · 2 = 31
w(C) = 12/31 * 100% ≈ 39%
w(H) = 5/31 * 100% ≈ 16%
w(N) = 14/31 * 100% ≈ 45%