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Scrat [10]
2 years ago
5

Pls helps asap plssss !!!!

Chemistry
2 answers:
DerKrebs [107]2 years ago
5 0

Answer:1 3 4 1 im pretty positive

padilas [110]2 years ago
4 0

Answer: B) 1, 2, 2, 1

Explanation:

Because copper nitrate requires two nitrate, the minimum amount of nitrate is 2.  Thus, you must have 2 silver nitrate, and 2 silver.

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n = .1 L * .5M

n= .05 mols of MgCl2

mass of MgCl2 = .05 mols of MgCl2 * 95.211 grams/ 1 mol of MgCl2 

mass of MgCl2 = 4.76 grams

4.76 grams of MgCl2 is needed to make 100 ml of a solution that is .500M, in chloride ion. Bolded = confused
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