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DL422.2911991-10-041992-04-011HCl+NaOH→NaCl+H2O22.1(NaOH)c(NaOH)=1.mol/LGB601772.20.1%GB6077pH33.13mL30mL(0.001g)(0.001g)12(2.2)(2.1)V44.1x()%1001000)HCl()NaOH()NaOH(××⋅⋅=mMVcxc(NaOH)mol/LV(NaOH)mLM(HCl)M=36.46g/molmg4.20.2%