The ionization constant, Ka, for benzoic acid, HC7H5O2, is 6.28 × 10‑5. What is the pH of a 0.15 molar solution of this acid?

How does a hydroelectric power plant converts energy into energy.

How many grams of co(g) are there in 74.5 ml of the gas at 0.933 atm and 30o c?

Scientists often have to deal with numbers that are either very large or very small. for example, the radius of the sun is approximately 696,000 kilometers, while bacterial cells are as small as 1.9 × 10-4 millimeters. express each number in an alternate form.