this is a chem lab pre lab questions. i want to make sure i am doing the first two questions correctly.

hello. this is a chem lab pre lab questions. i want to make sure i am doing the first two questions correctly. if you could provide a step by step process that would help a lotl. 

some necessary information may include that 50 mL of 1.5 M Nh3 is the solution in part a

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