Ответ:
Объяснение:
Mr(Na) = 23
Mr(Cl) = 35.5
w(Na) = Mr(Na) / Mr(NaCl) = 23 / (23 + 35.5) = 39.3%
w(Cl) = 100% - w(Na) = 60.7%
Mr(NaCl) = Ar(Na) + Ar(Cl) = 23 + 35,5 = 58,5
w(Na) = Ar(Na)/ Mr(NaCl) * 100% = 23/58,5 * 100% = 39,32%
w(Cl) = Ar(Cl)/ Mr(NaCl) * 100% = 35,5/58,5 * 100% = 60,68%
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Ответ:
Объяснение:
Mr(Na) = 23
Mr(Cl) = 35.5
w(Na) = Mr(Na) / Mr(NaCl) = 23 / (23 + 35.5) = 39.3%
w(Cl) = 100% - w(Na) = 60.7%
Ответ:
Объяснение:
Mr(NaCl) = Ar(Na) + Ar(Cl) = 23 + 35,5 = 58,5
w(Na) = Ar(Na)/ Mr(NaCl) * 100% = 23/58,5 * 100% = 39,32%
w(Cl) = Ar(Cl)/ Mr(NaCl) * 100% = 35,5/58,5 * 100% = 60,68%