Ответ:
Mr(H2O) = Ar(H) * 2 + Ar(0) = 1 *2 + 16 = 18
Объяснение:
Mr(H2O)=2+16=18
w(H)=2/18*100%≈11%
w(O)=16/18*100%≈89%
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Ответ:
Mr(H2O) = Ar(H) * 2 + Ar(0) = 1 *2 + 16 = 18
Объяснение:
Mr(H2O)=2+16=18
w(H)=2/18*100%≈11%
w(O)=16/18*100%≈89%