Ineed with my chemistry homework. it says: dr. dahm wants to make 650 ml of a solution that has a ph of 4.3. if he is working with hydroazoic acid (hn3) calculate the number of grams he needs to use. ka=2.8 * 10^-5

What happens when an acid dissolves?

About 70 percent of the earth's surface is water-covered, and about 96.5 percent of all earth's water is salt water. identify the watery feature on earth that is made of freshwater rather than salt water. a) bay b) glacier c) ocean d) sea it is not incomplete this is the true question

If a molecule with a molecular formula of c13h18 is treated with an excess of h2 in the presence of finally divided pt metal under conditions required for maximum hydrogenation of the molecule to give a molecule with a formula c13h24, how many rings are in the molecule?