What is the ratio of hydrogen atoms (h) to oxygen atoms (o) in one water molecule? enter the simplest whole number ratio in order of hydrogen to oxygen, respectively?

What type of reaction is zn + cucl2 → cu + zncl2?

Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?