In the preparation of some pure crystals of Cu (NO3)2 starting with CuO, a student gave the following statements as steps he employed. Which of these shows ...

Question 1 Report

In the preparation of some pure crystals of Cu (NO3)2 starting with CuO, a student gave the following statements as steps he employed. Which of these shows a flaw in his report ?

some CuO was reacted with excess dilute H2SO4

the solution was concentrated

when the concentrate was cooled, crystals formed were removed by filtration

the crystals were washed with very little cold water

the crystals were then allowed to dry

Acids, Bases And Salts

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