Assuming that a sample of ethanol weighs 560 grams. What is the mass of hydrogen in grams for the sample?

Which of the following ocean acidification? are the most likely side effects of a ph less than 7.0 in the ocean b. more metal salts altering the ocean chemistry c. dissolution of the shells of marine organisms d. both a & b e. all of the above.

One similarity and one difference between an element and a mixture of elements

Which of the following molecules is polar? c3h7oh c2h5cooh