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

The equation l 7x-1 l= 10 is equivalent to or

Compare and contrast H. neanderthalensis and H. sapiens

Name at least five places that were part of Americas.

The diagram shows a circuit with a 3-cell battery, a light bulb, and four labeled locations. Which statement describes the direction of conventional current in

Me gusta escuchar música. Voy al ________. concierto playa plaza película

During peristalsis muscles contract voluntarily to move food up and down the esophagus muscles contract involuntarily to move food in one direction muscles cont

Outline and explain two ways in which sociology could be said to be a science (10 marks) A LEVEL

identify the type of polygon presented by each of the following figures write your answer on a sheet of paper write regular or irrigular nonsense report

8^x=2 what is the value of x

The length of a rectangle is 16 cm less than quadruple the width. If the perimeter is 28 cm, what is the length and the width?