Đáp án:
Câu 5:
a, \(\overline{M}=28,8\) (g/mol).
b,
`-` `d_{\text{hh/KK}}=0,993`
`-` `d_{\text{hh/}H_2}=14,4`
Câu 6:
a, \(\overline{M}=36,8\) (g/mol).
b,
`-` `d_{\text{hh/KK}}=1,269`
`-` `d_{\text{hh/}H_2}=18,4`
Giải thích các bước giải:
Câu 5:
a,
\(\overline{M}=\dfrac{0,1\times 32+0,25\times 28+0,15\times 28}{0,1+0,25+015}=28,8\) (g/mol).
b,
`-` `d_{\text{hh/KK}}=\frac{28,8}{29}=0,993`
`-` `d_{\text{hh/}H_2}=\frac{28,8}{2}=14,4`
Câu 6:
a,
\(\overline{M}=\dfrac{0,1\times 32+0,15\times 28+0,25\times 44}{0,1+0,15+0,25}=36,8\) (g/mol).
b,
`-` `d_{\text{hh/KK}}=\frac{36,8}{29}=1,269`
`-` `d_{\text{hh/}H_2}=\frac{36,8}{2}=18,4`
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