michelle276893 michelle276893
  • 20-03-2021
  • Chemistry
contestada

Calculate the molarity of a solution containing 21.9g of MgCl, in enough water to
make a 750.mL solution.

Respuesta :

21ahmedfa 21ahmedfa
  • 20-03-2021
Find moles of MgCl first by dividing by the molar mass.

21.9 g / 95.211 g/mol = 0.230 mol MgCl

Then divide by L of water to get the molarity.

0.230 mol / 0.750 L = 0.307 M MgCl
Answer Link

Otras preguntas

What equals 249 in mathematics
85 is 170% of what number?
Guide me through 2(3d+7)=5+6d
how Many Total predators were removed from the preserve between 1907 and 1939
In order from least to greatest: 0.2,0.5,0.75,and 0.4
For each shape plot the order pairs on the axis and connect them in order.
Express each number in scientific notation. 18 8,888,800
Why were many settlers attracted to the New Jersey colony? Many sought the political and religious freedoms in the colony. It was a proprietary colony. Colonist
Determine the coordinates of each point of intersection without graphing? a.) y=-x+8. b.) y=-3x y=x-2 y=-4x+2
Which equation models this problem? Susan paid $36.90 for nine washcloths. What is the unit price, p, per washcloth? A.36.90p = 9 B.p/9 = 36.90 C.p/36.90 = 9 D.
ACCESS MORE