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please answer all 4 questions. I need brief and correct answers. thank you in advance. 1. Why is...

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Chemistry

please answer all 4 questions. I needbrief and correct answers. thankyou in advance.

1. Why is it important to mix the solutions after adding thereagents? How is mixing done in this experiment?

2. What is the reason for rinsing the precipitates beforefurther testing?

3. What two things are extremely important to remember whencentrifuging?

4. Why is it possible to separate Cu+2 from Al+3 and Fe+3 withNH4OH but not with NaOH? (Hint, consider solubilityproperties.)

Answer & Explanation Solved by verified expert
4.0 Ratings (449 Votes)
1 Mixing of solutions after adding reagents is done to ensure homogeneity The reaction must proceed under kinetic control with no major issues related to mixing 2 The settling    See Answer
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