Explain add sodium hydroxide to copper nitrate

Reference no: EM13188443

Add sodium hydroxide to copper(II) nitrate and use a stirring rod to test if the solution is basic. How do you establish whether the solution is basic? (Explain what else is needed, what observations are made, and what should be observed if the solution is basic).

Forming solid copper (II) hydroxide from copper nitrate.

Add 30 mL of 3.0 M sodium hydroxide to the solution in the Erlenmeyer flask from Step 1. Take a stirring rod and place the end about 1 cm into the solution; then touch the end to a ~2 cm piece of red litmus paper. If the area of the paper where water is transferred from the rod to the paper turns blue, indicating excess hydroxide solution and test again; repeat until the litmus paper turns blue. Record any changes that accompany the reaction.

Reference no: EM13188443

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