Question

You have 3 L of a 5M solution of calcium chloride. How many L would you be able to make of a 0.5M solution?

Answer 1

M1=moles /volume 1

Moles = M1×vol 1

Moles= M2 × vol2

M1× vol1= M2×Vol2

5×3/0.5=vol2

Vol2=30L

I hope this helps ( ╹▽╹ )