sil7Ophchaleeks sil7Ophchaleeks

19-04-2016
Chemistry

contestada

What is the concentration of a 450 mL solution that contains 200 g of FeCl2?

Respuesta :

Willchemistry Willchemistry

21-04-2016

Molar mass FeCl₂ = 126.751 g/mol

450 mL / 1000 = 0.45 L

1 mole ------- 126.751 g
? mole ------- 200 g

moles = 200 * 1 / 126.751

moles = 200 / 126.751

= 1.57789 moles FeCl₂

M = n / V

M = 1.57789 / 0.45

= 3.50 Mol/L or M

hope this helps!

Answer Link

Otras preguntas

Your bank will pay you an interest rate of .092 percent compounded weekly. You want to have $21,500 in 9 years. How much will you have to deposit today

Suppose that banks decide to hold fewer excess reserves relative to deposits. Other things the same, this action will cause the

These figures are similar. The area of one is given. Find the area of the other. area=32 in 9 in 12 in [ ?

the point P = (x, 1/2) lies on the unit curcle shown below. what is the value of x in the simplest form

Find the three arithmetic means between -4 and 16.

Drag the yellow point until an accurate "height" of the triangle is drawn. What is the height?

I need help, I can’t seem to get the concept

During the first month of the year, the Boise plant produced 92,000 belts. Actual leather purchased was 287,500 strips at $3.60 per strip. There were no beginni

The graph shows the percentage of people living in urban areas. A line graph shows % of Population from 1950 to 2010. Less-developed regions start just below 20

The equation y=-6x-3 describes a function that is translated from a parent function write the equation of the parent function