12Kof 12Kof
  • 01-10-2021
  • Chemistry
contestada

20 ml of D.W added to 60 ml of 2% w/v of phenobarbital solution , find the final concentration ​

Respuesta :

vjaguirre123
vjaguirre123 vjaguirre123
  • 01-10-2021

Answer: 1.5% w/v

Solution: (60mL)(2%) = (80mL)(x)

X = 1.5%

Answer Link

Otras preguntas

A square has a perimeter of 36x - 12. Which expression represents one side of the square?
What ratio of sides from AADE defines tan 19° ?
If Roosevelt’s judicial reform had been passed, how would new judges have been appointed?
Solve 10x-4y=15 for y.
What was the primary role of slaves in most societies?
Describe how you would simplify the given expression. (20x^5y^2/5x^-3y^7)^-3
A massless cube container holds water whose density is 1000 kg/m3. the length of the side of the cube is 7 meters. what is the mass of the water? hint: the volu
I want to know what is the pressure of the stratosphere simple numbers I’m in 6 grade
The distinction between substitutes and complements is.
Identify the zeros given the quadratic equation y= -16(x+7)(x-5)