Forty-nine milliliters of an acid with an unknown concentration are titrated with a base that has a concentration of 3.0 M.
The indicator changed color when 28 milliliters of base were added. What is the concentration of the unknown acid?
1.7M
5.3 M

Transportation is the largest single source of air pollution in the united states. air pollution can harm the environment and human health. which technology could offer a solution to this problem? mufflers that reduce noise motors that run on electricity tires that improve gas mileage

The number at the end of an isotope’s name is the number.

What is the correct name for the compound cocl3? a) cobalt(i) chloride b) cobalt(i) chlorate c) cobalt(ii) chlorate d) cobalt(iii) chloride