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 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

i do not understand this
A function where the independent variable is an exponent. f(x) = ab^x, where a and b are real numbers with a # 0, b>0, and b # 1A: exponential growth B: expo
Simplify:3[tex] {3}^{ - 4} \times {6}^{ - 3} \times 25 \div {10}^{ - 2} \times 16 \times {3}^{ - 4} [/tex]​
Read the following statements: I. All rectangles are parallelograms. II. All trapezoids are parallelograms. III. All squares are parallelograms. Which of the ab
X is on line WY. Find the value of b.
A mixture of0.159 moles of C is reacted with 0.117 moles of O2 in a sealed, 10.0 L-vessel at 500.0 K, producing a mixture of CO and CO2. The limiting reagent of
skeletal muscles are:
Completa la oración con el futuro perfecto del verbo que está entre paréntesis. 1. Llegará el año nuevo y yo no _____ una mejora en mis finanzas. (ver) 2. Tú no
Uma empresa de taxi cobra a bandeira de 5,00 ainda o valor de 1,50 para cada quilometro rodado determine a lei da funçâo correspodente ao valor cobrado pelos ta
Consider two circular swimming pools. Pool A has a radius of 44 feet, and Pool B has a diameter of 27.02 meters. Complete the description for which pool has a g