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

A first year Master Chef was hired in Whitehorse, Yukon at an annual salary of $52,000. What would her gross pay each pay cheque be if she was paid Semi-Monthly

factor strings of 840 up to six factors

R(p)=-1/2p^2+1900p at what prices p is revenue zero?

What is the difference between federalism and separation of powers

Eddie is 7 years older than Brian. If Brian is x years old, then how old was Eddie 11 years ago?

sari has 3 times as many pencil erasers as sam. together, they have 28 erasers. he may erasers does sari have

Solve the equation 6x=2x+40

the region of flat land down by the ocean

Ok, so i'm writing a story about this girl who's name is Alana. What should the story be about?

How do you multiply mixed numbers and fractions?