A. \({{\left( N{{H}_{4}} \right)}_{2}}S{{O}_{4}}\,\,1M;N{{H}_{4}}N{{O}_{3}}\,2M.\)
B. \({{\left( N{{H}_{4}} \right)}_{2}}S{{O}_{4}}\,\,1M;N{{H}_{4}}N{{O}_{3}}\,1M.\)
C. \({{\left( N{{H}_{4}} \right)}_{2}}S{{O}_{4}}\,\,2M;N{{H}_{4}}N{{O}_{3}}\,2M.\)
D. \({{\left( N{{H}_{4}} \right)}_{2}}S{{O}_{4}}\,\,1M;N{{H}_{4}}N{{O}_{3}}\,0,5M\)
A
\(\underbrace {X\left\{ \begin{array}{l} {\left( {N{H_4}} \right)_2}S{O_4}\\ N{H_4}N{O_3} \end{array} \right.}_{0,05\left( l \right)} \leftrightarrow X\left\{ \begin{array}{l} NH_4^ + \\ SO_4^{2 - }\\ NO_3^ - \end{array} \right. \to \left\{ \begin{array}{l} BaS{O_4} \downarrow :0,05\left( {mol} \right)\\ N{H_3} \uparrow :0,2\left( {mol} \right) \end{array} \right.\)
\( \to \left\{ \begin{array}{l} {n_{{{\left( {N{H_4}} \right)}_2}S{O_4}}} = {n_{SO_4^{2 - }}} = 0,05\left( {mol} \right)\\ {n_{N{H_4}N{O_3}}} = \underbrace {{n_{N{H_3}}}}_{0,2} - \underbrace {2{n_{{{\left( {N{H_4}} \right)}_2}S{O_4}}}}_{2.0,05} = 0,1\left( {mol} \right) \end{array} \right. \leftrightarrow \left\{ \begin{array}{l} \left[ {{{\left( {N{H_4}} \right)}_2}S{O_4}} \right] = 1M\\ \left[ {N{H_4}N{O_3}} \right] = 2M \end{array} \right.\)
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