Ответ:
W(Ca)=40÷136×100%=29.4%
W(S)=32÷136×100%=23.6%
W(O)=64÷136×100%=47%
29.4+23.6+47=100%
Объяснение:
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Ответ:
W(Ca)=40÷136×100%=29.4%
W(S)=32÷136×100%=23.6%
W(O)=64÷136×100%=47%
29.4+23.6+47=100%
Объяснение: