已知HCl溶液的浓度为H3PO4溶液浓度的2倍,如以酚酞为指示剂,用同一NaOH标准溶液滴定同体积的HCl和H3PO4溶液,消耗的NaOH标准溶液的体积分别为 V1和V2,则V1和V2的关系为()。A、V1=V2B、V1=2V2C、V2=2V1D、V1=4V2

已知HCl溶液的浓度为H3PO4溶液浓度的2倍,如以酚酞为指示剂,用同一NaOH标准溶液滴定同体积的HCl和H3PO4溶液,消耗的NaOH标准溶液的体积分别为 V1和V2,则V1和V2的关系为()。

  • A、V1=V2
  • B、V1=2V2
  • C、V2=2V1
  • D、V1=4V2

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