1.

Calculate the volume of 1.00 mol L^(-1) aqueous sodium hydroxide solution that is neutralized by 200 mL of 2.00 mol L^(-1) aqueous hydrochloric acid and mass of sodium chloride produced.

Answer»


Solution :`underset("(NaOH)")(M_(1)V_(1))=underset("(HCl)")(M_(2)V_(2)),"i.e., "1.0xxV_(1)=2.0xx200orV_(1)=400mL`
`""NaOH+HClrarrNaCl+H_(2)O`
`"200 mL of 2.0 M HCl "=(2.0)/(1000)xx200=0.4 mol`
`"1 mol of HCl PRODUCES NACL = 1 mol"`
`therefore" 0.4 mol of HCl will PRODUCE NaCl = 0.4 mol "=0.4xx58.5g=23.4g.`


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