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NaOH=>NaCl=>NaHSO4=>Na2SO4=>NaCl=>NaNO3
1. NaOH + HCl -----> NaCl + H2O
2. NaCl + H2SO4 --------> NaHSO4 + HCl
3. NaHSO4 + NaOH ----> Na2SO4 + H2O
4. Na2SO4 + 2HCl --------> 2NaCl + H2O
5. NaCl + AgNO3 ---> AgCl + NaNO3
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NaOH=>NaCl=>NaHSO4=>Na2SO4=>NaCl=>NaNO3
1. NaOH + HCl -----> NaCl + H2O
2. NaCl + H2SO4 --------> NaHSO4 + HCl
3. NaHSO4 + NaOH ----> Na2SO4 + H2O
4. Na2SO4 + 2HCl --------> 2NaCl + H2O
5. NaCl + AgNO3 ---> AgCl + NaNO3