dovinh25041984 dovinh25041984

08-10-2021
Chemistry

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cho 13,5g nhôm tác dụng với dd HCl dư.Tính khí H2 (đktc) thu được

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yenxuan yenxuan

08-10-2021

2Al+6HCl ->2AlCl3+3H2 .nAl=m/M=13,5/27=0,5(mol) =>nH2=0,5.3/2=0,75(mol)....VH2=n.22,4=0,75.22,4=16,8(lít)...

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