Question

Study the flow chart below and answer the questions that follow.
         

1. Identify solution P.
2. Write a chemical equation to show how solid R is formed. 
3. State the observation made in process II. 

Answer 1

1. Cu(NO₃)₂/Copper(II)nitrate
2. Cu(NO₃)_2(aq) + Na₂CO_3(aq) → CuCO_3(s) +2NaNo_3(aq)
3. A blue precipitate is formed which dissolves to a deep blue solution.