Question

2.5 moles of sodium chloride is dissolved to make 0.050 liters of solution

Answer 1

The answer is:

the molarity = 50 moles/liters

The explanation:

when the molarity is = the number of moles / volume per liters.

and when the number of moles =2.5 moles

and the volume per liters = 0.05 L

so by substitution:

the molarity = 2.5moles/0.05L

                    = 50 moles /L

Answer 2

The molarity of the solution made by dissolving 2.5 moles of sodium chloride is 50 M

What is molarity?

Molarity is defined as the mole of solute per unit litre of solution. Mathematically, it can be expressed as:

Molarity = mole / Volume

How to determine the molarity

• Mole = 2.5 moles
• Volume = 0.05 L

• Molarity =?

Molarity = mole / Volume

Molarity = 2.5 / 0.05

Molarity = 50 M

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