Neon has a molar mass of 20 grams per mole. It has an atomic number of 10 and on the periodic table it is found in period 2, group 18. It is part of the noble gas group. More » Science Measurements

The molar mass of magnesium is 24.305 grams per mole. This means that, given a sample of magnesium where the number of atoms in the sample is equivalent to Avogadro's constant, the mass of the sample is exactly 24.305 gr... More » Science Chemistry Atoms & Molecules

The molar mass of molecular oxygen O2 is 32 g/mol. This means that 1 mole of oxygen, containing a number of molecules equal to Avogadro's constant, weighs 32 grams. More » Science Chemistry
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The molar mass for chloroform, represented by the chemical formula CHCl3, is 119.37 grams per mole. The molar mass is calculated by the atomic weight per mole. More » Science Measurements

The molar mass of KNO3, also known as potassium nitrate, is 101.1 grams per mole. This molecule exists as a single potassium ion and a single nitrate ion held together with an ionic bond. More » Science Measurements

The molar mass of C3H8 is 44.096 grams per mole. C3H8 is the chemical formula for propane, which is a common gas used in outdoor barbecues. More » Science Measurements

Chemists use the mole unit because, in chemistry, it is often important to speak in terms of number of atoms or molecules rather than in terms of mass or volume. However, it is difficult and inconvenient to directly spea... More » Science Measurements