791 solution of 4.6 M KCI to 2.3 M solution. What is the new volume?

What are the concentrations of hydroxide and hydronium ions in a solution with a ph of 10.2?

Calculate the molar mass of aluminum oxide (al2o3). express your answer to four significant figures.

Hydrogenation reactions, in which h2 and an "unsaturated" organic compound combine, are used in the food, fuel, and polymer industries. in the simplest case, ethene (c2h4) and h2 form ethane (c2h6). if 140 kj is given off per mole of c2h4 reacting, how much heat (in mj) is released when 12 kg of c2h6 forms?