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

Just seeing if this app actually worksWhat is 8*(7+5)

n is a positive integer, and k is the product of all integers from 1 to n inclusive. If k is a multiple of 1440, then the smallest possible value of n is

what movie is about a kid who ran away from home with his bicycle

The measure of angle x is 25 more than 4 times the measure of its complement. Find the measure of x.

find the center and radius of the circle (x+8)^2+(y-2)^2=25

Xavier needs to create 100 grams of a drink mix containing 18% citric acid, 8% flavoring, and 74% sugar. How much of mixture C should he use? A) 0 grams B) 20

how do nations respond to economic challenges of the 20th century

Which represents the balanced nuclear equation for the beta plus decay of C-11?

w÷-10-6=1 how do i solve?

Typically, a CLEP exam is taken by students who A. are hoping to take extra courses B. got low SAT or ACT scores C. are entering their junior year of high schoo