3. For each of the data tables in the background a "-" was shownalong the diagonal. Explain.
You are given three vials containing solutions of lead nitrate, nitric acid and lithium carbonate. In order to systematically examine the reactions of these solutions with each other we could set up a data table like the one below. Pb(NO3)2 HNO3 Li₂CO3 Pb(NO3)2 HNO3 Li₂CO3 Pb(NO3)2 a Background Example d g Pb(NO3)2 HNO3 b no reaction white precipitate e h The letter "b" would be replaced with the observations you made when HNO3 and Pb(NO3)2 were mixed. The letter "c" would be replaced with the observations you made when Li₂CO3 and Pb(NO3)2 were mixed, and so on. When the experiment is performed we collect the following data: HNO3 no reaction Li₂CO3 bubbles с f i Li₂CO3 white precipitate bubbles
3. For each of the data tables in the background a "-" was shown along the diagonal. Explain.
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