I need help with drug calculations please?

A bottle of thiopentone contains 2.5 grams of thiopentone in powder form.

What volume (how many ml) of sterile water would you add to the bottle to create a 1.5% solution?



Please explain how I work this out.
Thank you

?2010-02-23T18:41:54Z

Favorite Answer

2.5g/(Xamount of water)= 1.5grams/(100mls of water)

solve for X