help on a word problem, please, not even sure on how to start....
Chemistry:: How many ounces of pure water must be added to 40oz of a 20% salt solution to make a salt somution that is 5% salt.
also, could you help with this one:::
Simplify::sqare root 2a^9b (all in the square root) * square root 98ab^3 (under the whole square root) * square root 2a (2a under the square root). could you help please? Thanks
Chemistry:: How many ounces of pure water must be added to 40oz of a 20% salt solution to make a salt somution that is 5% salt.
also, could you help with this one:::
Simplify::sqare root 2a^9b (all in the square root) * square root 98ab^3 (under the whole square root) * square root 2a (2a under the square root). could you help please? Thanks