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In the lab, 1. we put sodium oxalate into lead nitrate 2. we put sulphuric acid into...

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Chemistry

In the lab,

1. we put sodium oxalate into lead nitrate

2. we put sulphuric acid into lead nitrate

After both solution has precipated, we removed the liquids andpour nitric acid to each of precipitates in seperate testtubes.

The observation was that

First tube was much thinner and the second tube become muchthicker (in terms of white-ish color) after adding nitric acid.

What is the reason for this difference?

Answer & Explanation Solved by verified expert
4.5 Ratings (679 Votes)
The reactions are1 Na2C2O4aq PbNO32aq 2NaNO3aq PbC2O4s2 H2SO4 aq PbNO32 aq    See Answer
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