The concentration of copper(ii) sulfate in one brand of soluble plant fertilizer is 0.07% by mass. if a 20 g sample of this fertilizer is dissolved in 2.0 l of solution, what is the molarity of cu2+?

The molarity of ions in the given amount of sample is

Explanation:

We are given:

Mass of sample = 20 g

0.07 % (m/m) of copper (II) sulfate in plant fertilizer

This means that, in 100 g of plant fertilizer, 0.07 g of copper (II) sulfate is present

So, in 20 g of plant fertilizer, = of copper (II) sulfate is present.

To calculate the molarity of solution, we use the equation:

We are given:

Mass of solute (copper (II) sulfate) = 0.014 g

Molar mass of copper (II) sulfate = 159.6 g/mol

Volume of solution = 2.0 L

Putting values in above equation, we get:

The chemical equation for the ionization of copper (II) sulfate follows:

1 mole of copper (II) sulfate produces 1 mole of copper (II) ions and sulfate ions

Molarity of copper (II) ions =

Hence, the molarity of ions in the given amount of sample is

both adhesion and cohesion are attractions.

they are different in that adhesion is the force of attraction between the molecules of two different substances, whereas cohesion is the force of attraction between molecules of the same substance.

possible examples include capillary action, in which the adhesion between water and glass causes the water to rise in a narrow tube against the force of gravity.

because of hydrogen bonding, water is extremely cohesive.

this causes molecules on the surface of water to be drawn inward, which is why drops of water form beads on smooth surfaces.

hope this .

they are made of gases.

they have a spherical shape.

they make energy through fusion.