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  【希望可以帮下我Exercise5.Whatvolumeofa0.234MsolutionofBa(OH)2wouldberequiredtopreciselyneutralize750.0mLofa0.7532MsolutionoftheweakacidCH3COO-H?Exercise6.A10.00mLsampleofstockphosphoricacidsolutionH3PO4(aq)isdil】

  希望可以帮下我

  Exercise5.Whatvolumeofa0.234MsolutionofBa(OH)2wouldberequiredto

  preciselyneutralize750.0mLofa0.7532Msolutionoftheweakacid

  CH3COO-H?

  Exercise6.A10.00mLsampleofstockphosphoricacidsolutionH3PO4(aq)is

  dilutedto50.00mL,andthentitratedwithaknownKOHsolution.If55.58mL

  ofthat1.554MKOH(aq)solutionisrequiredtoneutralizealloftheacid,what

  wasthemolarityoftheoriginalH3PO4(aq)solution?

1回答
2020-06-2012:35
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彭向东

  Answer5.1207.06mL

  Process:750.0mL*0.7532M/(0.234M*2)=1207.06mL

  Answer6.2.88M

  Process:1.554M*55.58mL/(3*10.00mL)=2.88M

2020-06-20 12:38:59
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