Question

what is the mass of one water molecule in standard notation

Answer 1

There are approximately 602,214,179,300,000,000,000,000 molecules in one mole of any substance (this quantity is called Avogadro's number). The mass of an electron is approximately 0.0000000000000000000000000009109382 grams. Scientific notation is a representation that uses a decimal number times a power of ten.