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What is the molarity of a solution that contains 4.87 g KCI (74.55 g/mol) dissolved in in 500.0 ml water?
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What is the molarity of a solution that contains 4.87 g KCI (74.55 g/mol) dissolved in in 500.0 ml water?

User Tom Benyon
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2 Answers

1 vote

Answer:

It is the first answer choice

Step-by-step explanation:

User David Braun
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6 votes

Answer:

Molarity = 0.13M

Step-by-step explanation:

n=m/M = 4.87/74.55= 0.065mol, V= 500ml= 0.5dm3

Applying

n= C×V

0.065= C×0.5

C= 0.13M

User Atogle
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