Question

You have your .5 M sucrose solution. You need 1 L of a 50 mM solution. how much of the .5 M stock solution would you combine with how much water?

Answer 1

Answer: 100mL sucrose solution and 900mL water

Explanation: sucrose solution is 500 mM, i.e. 500mmol/L

water is 0mmol/L

To get 50mmol/L we need 1/10 L of sucrose solution = 100mL

and made up to 1L with water