Dorothy Perkins, Huddersfield Opening Hours. Below are the normal opening hours for Dorothy Perkins, Huddersfield. For seasonal (e.g. Christmas & Easter) and bank holiday opening hours please visit Dorothy Perkins's website.or seasonal (e.g. Christmas & Easter) and bank holiday opening hours please visit Dorothy Perkins's website.
Hydrogen sulfide, H2S has a molar mass of  34.08088g/mol.
Molar Mass is the mass of one mole of a substance (6.02 x 10 23 formula units). The unit for molar mass (note it is the mass of a mole) is grams/mole.Atomic Weight is the molar mass of an element. Formula Weight is the molar mass of an IONIC compound.Molecular Weight is the molar mass of a COVALENT compound.olar Mass is the mass of one mole of a substance (6.02 x 10 23 formula units). The unit for molar mass (note it is the mass of a mole) is grams/mole.