Question

Срочно помогите прошу

Answer 1

Mr(H2SO4) = 2×1 + 32 + 4×6 = 98

w(H) = 2×1/98 =0,0204 (2,04%)

w(S) = 32/98 = 0,398 (32,65%)

w(O) = 4×16/98 = 0,6531 (65,31%)

Mr(H3PO4) = 3×1 + 31 + 4×16 = 98

w(H) = 3×1/98 = 0,0306 (3,06%)

w(P) = 31/98 = 0,3163 (31,63%)

w(O) = 4×16/98 = 0,6531 (65,31%)

H2S

PH3

HF

CH4