Question

How many moles of glucose are present in 100 ml of a 1.0 m solution of glucose in water?

Answer 1

This question requires that you use the equation for molarity.

 

M = moles solute

      L solution

 

Recall that the solution is the combination of both solute and solvent.

 

You are given 100ml of solution (containing glucose in water) and the molarity is 1.0 M.  

Plug into our equation and solve for the moles of solute (glucose)

 

1.0 M = moles glucose

           100ml solution

 

Moles glucose = 1*100 solution

                    = 0.100 moles glucose