5.85 g of Nacl is dissolved in 500 ml of water . Calculate the molarity of the solution

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5.85 g of Nacl is dissolved in 500 ml of water . Calculate the molarity of the solution

Numan 11th Jun, 2019

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Answers (2)

SAURABH JHA 11th Jun, 2019

Hi numan,

As Molarity= moles of solute/ volume of solution(liters)

M= 5.85*1000/((23+35.5)*500)=0.2M

If you have any further query, feel free to ask.

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Ranjot Singh Student Expert 11th Jun, 2019

Hello student,

When we dissolve 5.85g of NaCl in 500 ml of water then the molarity of the $NaC l$ is 0.2M.

Explanation:-

The formula for molarity $M$ is

$M$ $=$ $\frac{mol}{v}$

The moles of sodium chloride is $\frac{5.85}{58.4} \approx 0.1$ $mol$

The volume of water is $0.5$ $l$

So

$M$ $=$ $\frac{mol}{v} = \frac{0.1}{0.5} = 0.2$ $M$

$Cheers!$

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Comments (1)

DROP FACT

21st Feb, 2020

It's RIGHT , but Bro .... Last Step Samj Nhi Aai ...

M=mol v
= 0.1 × 0.5
=0.2M

How ???

Plz... Reply

Reply

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