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Household ammonia used for cleaning contains about 10 g (two significant figures) of NH3 in 100 mL (two significant figures) of solution. What is the molarity of the NH3 in the solution?

Sagot :

jmille32

Answer:

11.44

Explanation:

= Base ionization constant of ammonia =  

m = Mass of ammonia = 5 g

V = Volume of ammonia = 709 mL =  

M = Molar mass of ammonia = 17.03 g/mol

Molaritiy of ammonia

We have the relation

The pH of the solution is 11.44.

Explanation:

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