Why is it important to measure the mass of an atom?

Which of the following statements about acidic water is true? a. acid has no effect on the h,o molecules. b. the solution contains a larger number of oh ions than h,o ions. c. the solution contains a larger number of h,o ions than qh ions. d. the solution contains an equal number of h,o ions and oh ions. none of the above e.

Define dew point. i am writing this part to be able to ask the question

If you burn 46.6 g of hydrogen and produce 416 g of water, how much oxygen reacted