lazygirl6804 lazygirl6804

21-04-2020
Chemistry

contestada

What is the molarity a 3.2 L aqueous solution with 12g of KCl

Respuesta :

Chelboy Chelboy

03-05-2020

Answer:0.05M

Explanation:

Mass=12g

Volume in liters =3.2L

Molecular mass of KCL=1x39.0983+1x35.453=74.5513

Number of moles=mass ➗ molecular mass

Number of moles=12 ➗ 74.5513

Number of moles=0.16

Molarity=number of moles ➗ volume in liters

Molarity=0.16 ➗ 3.2

Molarity=0.05M

Answer Link

Otras preguntas

A catalyst a. changes ΔG for an equation b. acts by increasing the rate of the forward reaction more than the reverse reaction c. raises the equilibrium const

The difference of two numbers is 14. Their sum is 46. What are the two numbers?

If n is even, which of the following cannot be odd? a) n + 3 b) 3n c) n² - 1, Can you please explain with some details?

If 3(4x+8)=12, then x=

If a person contracts and survives an infectious disease such as measles, they tend not to get the disease again later in life. What cells are involved in this

The product of 16 and 4 less than a number is 208. Find the number

Colin is buying dirt to fill a garden bed that is a 9 ft by 16 ft rectangle. If he wants to fill it to a depth of 4in., how many cubic yards of dirt does he nee

find the cube of 0.5

A 5 gallon mixture contains 40% acid. A 3 gallon mixture contains 50% acid. What percent is obtained by putting the two mixtures together?

A student pushes against a tree with a force of 10 newtons (N). The tree does not move. What is the amount of force exerted by the tree on the student?1) 0 N2)