203k views
6 votes
What is the molarity of a solution containing 56 grams of LiF in 959 mL of solution?

O 1.5 M
O 4.4 M
O 0.0022 M
O 22 M

User Mpdaly
by
3.6k points

1 Answer

12 votes

Answer:

2.25 M <========= I do not see this in your selection of answers !

Step-by-step explanation:

Mole weight of Li F

( from periodic table ) = 6.94 + 18.998 = 25.938 gm/mole

56 gm / ( 25.938 gm /mole) = 2.15899 moles

2.15899 mole / (.959) L = 2.25 M

User Fahri Azimov
by
3.0k points