a4ndaSYcainemarianc
a4ndaSYcainemarianc a4ndaSYcainemarianc
  • 11-04-2016
  • Chemistry
contestada

a solution is prepared by adding .8 g of iron sulfate to 450mL of water
calculate the effective molality of the solution'

Respuesta :

Willchemistry
Willchemistry Willchemistry
  • 11-04-2016
Molar mass FeSO₄ =151.908 g/mol

Volume = 450 mL / 1000 = 0.45 L

1 mol ----------- 151.908 g
n mol ----------- 0.8 g

n = 0.8 * 1 / 151.908

n = 0.00526 moles 

M = n / V

M = 0.00526 / 0.45

M = 0.01168 mol/L⁻¹

hope this helps!
Answer Link

Otras preguntas

what direction can earth plates move
Please answer immediately!!! Please!!! 1. what are some examples of effective critical thinking skills? 2. What are some examples of effective problem-solving s
help me please !! thanks :)
A school paid $31.25 for each calculator. If the school bought x calculators, how much did they pay? The school spent $500 on calculators. How many did the scho
u/-11-4=-15 solve plsz
i will give ten points for answer
Which statement summarizes the Enslaved Persons Clause?
Which system of equations has exactly one solution? 2x y = 7 2x y = –3 5x – 4y = 8 3x 2y = 8 15x 9y = 36 10x 6y = 36 8x – 12y = 48 6x – 9y = 36.
Parallel Journeys (Study Sync) Write a response in which you describe the structure of the text in the selection. In your response, analyze the role of various
HELP ASAPP PLS?! PLSSSSSSSS