Question

If 0.850 L of a 5.00-Msolution of copper(II) nitrate, Cu(NO3)2, is diluted to a volume of 1.80 L by the addition of water, what is the molarity of the diluted solution

Answer 1

The molarity of the diluted solution is 2.36M

M₁L₁ = M₂L₂

M₂ = M₁L₁/L₂

M₂ = (5.00 M x 0.850 L)/ 1.80 L

M₂ = 2.36 M Cu(NO₃)₂

Molarity

The volume of a material present in a given volume of solution is known as its molarity (M). The number of moles of a solute in a liter of solution is referred to as molarity. The term "molarity" can also refer to a solution's molar concentration. Molarity (M) is the number of moles of a solute per liter of a solution, also referred to as the molar concentration of a solution. The symbols mol/L or, more commonly, M can be used to represent molarity. The word "molar concentration" refers to the amount of a substance per unit volume of solution and is used to describe the concentration of a chemical species, specifically a solute, in a solution. Molarity, amount, and substance concentration are other names for this term.

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