下列溶液中,与100mL 0.5mol/L NaCl溶液所含的Cl-物质的量浓度相同的是

下列溶液中,与100mL 0.5mol/L NaCl溶液所含的Cl物质的量浓度相同的是(     

    A100mL 0.5mol/L MgCl2溶液       B200mL 0.25mol/L AlCl3溶液

  C25ml 0.5mol/L HCl溶液          D50ml 1mol/L NaCl溶液

答案

C

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