What volume of 6.00 M NaOH must you use to prepare 1.00 L of 0.250 M NaOH?

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.

What if it is did darwin used to support his theory of evolution

Which of the following isotopes has the same number of neutrons as phosphorus-31?