C = Shade: Moles showcasing two to 3 distinctive shades of brown ought to be looked at somewhat suspiciously. Moles coloured blue, grey, purple, black or white also may perhaps sign possible melanoma.
To find out the molar mass, we basically include the atomic masses from the atoms in the molecular components but Convey the whole in grams per mole, not atomic mass units. The masses mole with the atoms might be taken from your periodic table.