N3Na3
ω (N) = 14х3/14х3+23х3=0,378х100%=37,8%
ω (Na) = 23х3/111=0,622х100%=62,2%
H3BO3
ω (H) = 3/61х100%=4,92%
ω (B) = 16,4 %
ω (О) = 78,7 %
K2CO3
ω (K) = 56,521%
ω (С) = 8,696 %
ω (О) = 34, 783%
ZnSO3
ω (Zn) = 44,828%
ω (S) = 22,069 %
ω (О) = 33, 104 %