Q. There are approx 10^23 H2O molecules in a thimble of water adn 10^46 H2O molecules in the ocean. You threw a thimble of water into the ocean and it mixed uniformly. Show that if you dip a thimble of water from anywhere in the ocean that you will probably scoop up at least one of the molecules from thr original thimble. S. I have no idea how to even attempt answering this Q so any help appreciated.