#5.85# #"g"# of #"NaC"l# is dissolved in #500# #"ml"# of water. What is the molarity?

1 Answer
May 29, 2018

The molarity of the #"NaC"l# is ##

Explanation:

The formula for molarity #"M"# is

#"M" # #=# #"mol"/v#

The moles of sodium chloride is #5.85/58.4approx0.1# #"mol"#

The volume of water is #0.5# #"l"#

So

#"M"# #=# #"mol"/v=0.1/0.5=0.2# #"M"#