How is the universe affected by the life cycles of stars

Why are people not able to skip a dive to the deepest part of the ocean

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.

12. calculate the hydroxide ion concentration of a solution with ph = 3.25. show all calculations leading to an answer