haddarh6
haddarh6 haddarh6
  • 22-05-2017
  • Chemistry
contestada

in order to prepare a 0.523 m aqueous solution of potassium iodide, how many grams of potassium iodide must be added to 2.00 kg of water?

Respuesta :

gerishonwambugu
gerishonwambugu gerishonwambugu
  • 22-05-2017
M = amount of the solute  / mass of the solvent

0.523 = x / 2.00 

x = 0.523 * 2.00

x = 1,046  moles

molar mass KI = 166.0028 g/mole

Mass = 1,046 * 166.0028

Mass ≈ 173.63 g
Answer Link

Otras preguntas

who ruled ancient Egypt
What is the value of x?
What role did the crown play in the founding of english colonies after 1660?
A couple saves £6000 at the beginning of each year. calculate how much would the total savings be after four years, if the bank pays interest of 2.75% per annum
Please help! I’m very confused and this is my first question. Our Notes and Homework don’t line up.
3 x + 2 y = 20 if x = 3 in the equation above, what is the value of y ?
what is eight more than 3 times a number in algebraic expression
Increase in certainly some sections in the stadium. we've always spoken to the fact that we are going to increase-- i don't say slightly anymore based upon last
how do I simplify this using distributive property-(-7y+z-3) ???
Which graph is the solution to |x| > 10?