Ответ:
дано
H2O
--------------
W(H) - ?
W(O) - ?
M(H2O) = Ar(H) * 2+Ar(O) = 1*2+16 = 18 g/mol
W(H) = 1*2 / 18 * 100% = 11.11%
W(O) = 16/18*100% = 88.89%
ответ 11.11% , 88.89%
Объяснение:
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Answers & Comments
Ответ:
дано
H2O
--------------
W(H) - ?
W(O) - ?
M(H2O) = Ar(H) * 2+Ar(O) = 1*2+16 = 18 g/mol
W(H) = 1*2 / 18 * 100% = 11.11%
W(O) = 16/18*100% = 88.89%
ответ 11.11% , 88.89%
Объяснение: