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yraykovskaya99
@yraykovskaya99
July 2022
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Помогите!!! Пжл 20 пунктов
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lenochkagolosee
Mr(Na2SO4) = 23 * 2 +32 + 16 * 4 = 142
Mr(MgF2) = 24 + 19 * 2 = 64
Mr(HCl) = 1 + 35 = 36
Mr(LiCl) = 7 + 35 = 42
Mr(Ba(NO3)2) = 137 + (14 + 16 * 3) * 2 = 261
0 votes
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Senpoliya
Verified answer
Mr(Na индекс 2SO индекс 4)=2Ar(NA)+Ar(S)+4Ar(O)
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Senpoliya
спасибо за лучший :)
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Answers & Comments
Mr(MgF2) = 24 + 19 * 2 = 64
Mr(HCl) = 1 + 35 = 36
Mr(LiCl) = 7 + 35 = 42
Mr(Ba(NO3)2) = 137 + (14 + 16 * 3) * 2 = 261
Verified answer
Mr(Na индекс 2SO индекс 4)=2Ar(NA)+Ar(S)+4Ar(O)