Chemistry, 18.03.2021 23:40 Jtblack2720
Now, lets say you're performing a titration of some acetic acid. You have reason to doubt that the grocery store is selling your vinegar at the concentration listed on the label. The label says the contents are 1M acetic acid. You begin performing the titration on 5mL of the acetic acid sample with 0.1M NaOH. You perform the titration and find that your indicator (phenolphthalein) turns the slightest shade of pink and determine you've added 40mL of the 0.1M NaOH. What is the concentration of the acetic acid purchased from the grocery
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Asample of radium-226 will decay 1/4 of its original amount after 3200years. what is the half-life of radium-226?
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Consider the reduction reactions and their equilibrium constants. cu+(aq)+eββ½βββcu(s)pb2+(aq)+2eββ½βββpb(s)fe3+(aq)+3eββ½βββfe(=6.2Γ108=4.0Γ10β5=9.3Γ10β3 cu + ( aq ) + e β β½ β β β cu ( s ) k =6.2Γ 10 8 pb 2 + ( aq ) +2 e β β½ β β β pb ( s ) k =4.0Γ 10 β 5 fe 3 + ( aq ) +3 e β β½ β β β fe ( s ) k =9.3Γ 10 β 3 arrange these ions from strongest to weakest oxidizing agent.
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Now, lets say you're performing a titration of some acetic acid. You have reason to doubt that the g...
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