20 cząsteczek kwasu fosforowego(V)
1 mol – 6,02 ∙ 1023 at
MH3PO4 = 3 ∙ MH + MP + 4 ∙ MO = 3 ∙ 1 + 31 + 4 ∙ 16 = 98
1 mol – 98 g
98 g – 6,02 ∙ 1023 at
x - 20 at
x =
= 325,58 ∙ 10-23 g
1 mol – 6,02 ∙ 1023 at