Question

what is the molarity of a solution of NaoH containing 18.25 of NaoH in 200cm³ of water? ​

Answer 1

Answer:

Answer:The molarity of the solution is 2.28 M

Answer 2

Answer:

2.28 M

Explanation:

Molarity of the solution is given by:

$molarity = \frac{mass \: of \: solute}{molecular \: mass \: of \: the \: solute \: \times volume \: of \: solution \: in \: litres}$

Mass of NaOH = 18.25g

Volume of the solution 200 cm^3 = 0.2L

( 1cm^3 = 1mL = 0.001L)

Molecular mass of NaOH = 40g/mol

$molerity = \frac{18.25g}{(40g \div mol) \times 0.2l}$

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