contestada

What is the molarity of a solution that contains 20 grams of salt dissolved in 3.0 L of solution? The molar mass of water is 18g/mol. 0.37 M 6 M 6.7 M 3.5 M

Respuesta :

Willchemistry
Number of moles :

n = mass solute / molar mass

n = 20 / 18

n = 1.111 moles

Therefore:

Molarity  =  moles solute / volume

Molarity  = 1.111 / 30 => 0.37 M

Answer:

The answer is 0.37 M :)

Explanation: