Question

$\sf{Good\:morning..!}$

Calculate the molarity of $\sf{NaCl}$ solution having density $\sf{1.2\:g/ml.}$
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Answer 1

$<font color = "green"><marquee > hi diiii ........!!!!</font color = "green"></marquee>$

☢️we are given 1 molal solution

➡️1 mole solute in 1 kg solvent

➡️1mole NaCl = 58.5g NaCl

➡️so;total mass of solution

➡️1000g(solvent)+58.5g(solute)

=1058.5g(solution)

➡️volume of solution=mass/density =1058.5g/1.2g/ml=874.8ml

➡️molarity(M)= 1mole solute(n)/vol of solution(l)

=1×10^3/874.8=1.143M

$<font color = "green"><marquee > hope this helps</font color = "green"></marquee>$

Answer 2

Answer:

1.143 M..

Explanation:

the molarity of NaCl solution having density 1.2 g/ ml is 1.143M...

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