Odpowiedź:
Na2S
mcz.Na = 2* 23 = 46 [u]
mcz. S = 32 u
mczNa2S = 46 + 32 = 78 [u]
100% --- 78 u
x % --- 46 u Na
x = 100*46/78 = 59 [%]
x% --- 32 u S
x= 100*32/48= 41 [%]
Wyjaśnienie:
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Odpowiedź:
Na2S
mcz.Na = 2* 23 = 46 [u]
mcz. S = 32 u
mczNa2S = 46 + 32 = 78 [u]
100% --- 78 u
x % --- 46 u Na
x = 100*46/78 = 59 [%]
100% --- 78 u
x% --- 32 u S
x= 100*32/48= 41 [%]
Wyjaśnienie: