ответ дан:
Объяснение:
1) W(Mg) = 24/40•100% = 60%
W(O) = 100%-60%=40%;
2) W(Al) = 54/102•100% = 52,94%
W (O) = 100%-52,94%= 47,06%;
3) (K) = 78/110•100% = 70,91%
W(S) = 100% - 70,91% = 29,09%.
ответ дан:
Объяснение:
1) W(Mg) = 24/40•100% = 60%
W(O) = 100%-60%=40%;
2) W(Al) = 54/102•100% = 52,94%
W (O) = 100%-52,94%= 47,06%;
3) (K) = 78/110•100% = 70,91%
W(S) = 100% - 70,91% = 29,09%.