Nicole16111 Nicole16111

03-05-2018
Chemistry

contestada

calculate the mass of potassium sulfate needed to produce 115ml of a 1.34M solution
(molarity problem)

Respuesta :

lironica lironica

03-05-2018

potassium sulphate = K2SO4

molecular weight = 40*2 +32 +4*16 = 176

Molarity = moles of solute / volume in L
1.34 = x/176 *1000/ 115

x = 1.34*176*115/1000

x=27.1216g

Answer Link

Otras preguntas

is acne a kind of skin damage

How many Children attended the classroom if there were 11 girls who made up 44% of the children?

( Fulcrum ) Weight 1 = 150 lb. Weight 2= 450 lb. Distance 1 = 15 ft Distance 2 ? So I got an answer of 11 1/4 but I have no idea if im even right and I took an

How do you determine where an irrational number is located on a number line

what is 60.75 x 4/5=

what happen when a.c is passed into the coil of dynamo?

Why did inflation occur after World War I

A deciduous forest biome ___. A. has the same climate wherever it is located B. is located only in one continent C. has not been changed by human actions D. is

what is the name of the process where plants release water from their leaves?

I’m confused please explain