An aqueous solution contains the amino acid glycine (nh 2ch 2cooh). Assuming that the acid does not ionize in water, calculate the molality of the solution if it freezes at - 1. 1°c.

The car wash owner uses the equation y=x+44 to model the data, where x represents the number of days the business has been open and y represents the number of cars washed.

What does the first stage of a multistage rocket do?

Raul has one solution that is 20% acid by volume and one solution that is 50% acid by volume. he plans to mix together some of each solution to create 30 milliliters of a solution that is 40% acid by volume. how many milliliters of the 20% acid solution should raul use to create the 40% acid solution? can someone explain this to me? i know that the answer is 10 milliliters, but i don't know how to get it.