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olga_2 [115]
3 years ago
14

Given that the molar mass of NaCl is 58.44 g/mol, what is the molarity of a solution that contains 87.75 g of NaCl in 500. mL of

solution?
Use mc006-1.jpg.
0.333 M
0.751 M
1.50 M
3.00 M
Chemistry
2 answers:
melomori [17]3 years ago
4 0
Hi friend,

the \: answer \: is \: 3 \: molar
the solution is as follows

moles  \: of  \: NaCl \:  in  \: the \:  solution

=
give \: mass \: of \: sodium \: chloride \\  -  -  -  -  -  -  -  -  -  -  -   -  -  -  -  -  \\ molecular \: mass \: of \: sodium \: chloride \:

=
\:  \:  87.75 \\  -  -  -   -  \\  \:  \: 58.44
=  \: 1.501 \: moles

\:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \: moles \: of \: solute \\ Molarity \:  =      \:  \:  \:  \:  \: -  -  -  -  -  -  -     \\  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:  \:   \:  \: volume \: of \: solution(litrs)
applying \: the \: formulae \:
converting ml to litres

1.501/(500/1000)

1.501 X 2

3 M



Hope it helps


vesna_86 [32]3 years ago
3 0

Answer: D on Edge :)

Explanation:

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