PTHH: \(NaCl+AgNO_3\rightarrow NaNO_3+AgCl\)
a) Ta có: \(\left\{{}\begin{matrix}n_{NaCl}=1\cdot0,1=0,1\left(mol\right)\\n_{AgNO_3}=0,1\cdot0,15=0,015\left(mol\right)\end{matrix}\right.\)
Xét tỷ lệ: \(\frac{0,1}{1}>\frac{0,015}{1}\) \(\Rightarrow\) \(AgNO_3\) p/ứ hết
\(\Rightarrow n_{AgCl}=0,015mol\) \(\Rightarrow m_{AgCl}=0,015\cdot143,5=2,1525\left(g\right)\)
b) Ta có: \(\left\{{}\begin{matrix}n_{NaNO_3}=0,015mol\\n_{NaCl\left(dư\right)}=0,085mol\end{matrix}\right.\)
\(\Rightarrow\left\{{}\begin{matrix}C_{M_{NaNO_3}}=\frac{0,015}{0,25}=0,06\left(M\right)\\C_{M_{NaCl\left(dư\right)}}=\frac{0,085}{0,25}=0,34\left(M\right)\end{matrix}\right.\) (Coi như thể tích dd không đổi)
