Đáp án:

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Giải thích các bước giải:

\(\begin{array}{l}
8,\\
8.1,\\
a,\\
\dfrac{{{M_{{N_2}O}}}}{{{M_{{H_2}}}}} = \dfrac{{44}}{2} = 22\\
\dfrac{{{M_{C{H_4}}}}}{{{M_{{H_2}}}}} = \dfrac{{16}}{2} = 8\\
\dfrac{{{M_{C{O_2}}}}}{{{M_{{H_2}}}}} = \dfrac{{44}}{2} = 22\\
\dfrac{{{M_{C{l_2}}}}}{{{M_{{H_2}}}}} = \dfrac{{71}}{2} = 35,5\\
\dfrac{{{M_{S{O_2}}}}}{{{M_{{H_2}}}}} = \dfrac{{64}}{2} = 32\\
\dfrac{{{M_{N{H_3}}}}}{{{M_{{H_2}}}}} = \dfrac{{17}}{2} = 8,5\\
\dfrac{{{M_{{C_2}{H_2}}}}}{{{M_{{H_2}}}}} = \dfrac{{26}}{2} = 13\\
\dfrac{{{M_{{H_2}S}}}}{{{M_{{H_2}}}}} = \dfrac{{34}}{2} = 17\\
\dfrac{{{M_{{O_2}}}}}{{{M_{{H_2}}}}} = \dfrac{{32}}{2} = 16\\
\dfrac{{{M_{{N_2}}}}}{{{M_{{H_2}}}}} = \dfrac{{28}}{2} = 14\\
b,\\
\dfrac{{{M_{{N_2}O}}}}{{KK}} = \dfrac{{44}}{{29}} = 1,5\\
\dfrac{{{M_{C{H_4}}}}}{{KK}} = \dfrac{{16}}{{29}} = 0,5\\
\dfrac{{{M_{C{O_2}}}}}{{KK}} = \dfrac{{44}}{{29}} = 1,5\\
\dfrac{{{M_{C{l_2}}}}}{{KK}} = \dfrac{{71}}{{29}} = 2,4\\
\dfrac{{{M_{S{O_2}}}}}{{KK}} = \dfrac{{64}}{{29}} = 2,2\\
\dfrac{{{M_{N{H_3}}}}}{{KK}} = \dfrac{{17}}{{29}} = 0,6\\
\dfrac{{{M_{{C_2}{H_2}}}}}{{KK}} = \dfrac{{26}}{{29}} = 0,9\\
\dfrac{{{M_{{H_2}S}}}}{{KK}} = \dfrac{{34}}{{29}} = 1,8\\
\dfrac{{{M_{{O_2}}}}}{{KK}} = \dfrac{{32}}{{29}} = 1,1\\
\dfrac{{{M_{{N_2}}}}}{{KK}} = \dfrac{{28}}{{29}} = 0,9\\
8.2,\\
a,{M_A} = 23 \times 2 = 46\\
b,{M_B} = 2,7 \times 16 = 43,2\\
c,{M_C} = 29 \times 2 = 58\\
d,{M_D} = 2 \times 17 = 34
\end{array}\)