Calculate the molarity of a solution that contains 70.0 g of h2so4 in 280. ml of solution.

This classification of drug typically changes the brain's chemistry and reduces its ability to create its own endorphins.

Achemistry student weighs out 0.306 g of citric acid (h3c6h5o7), a triprotic acid, into a 250 ml volumetric flask and dilutes to the mark with distilled water. he plans to titrate the acid with 0.1000 m naoh solution. calculate the volume of naoh solution the student will need to add to reach the final equivalence point. be sure your answer has the correct number of significant digits.

Air can be considered a mixture. which statement does not explain why?