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.
Quick Answer. Calcium hydroxide has a molar mass of 74 grams per mole. This can be determined by looking at its molecular formula of Ca(OH)2 and adding together the atomic weights of each individual atom. The atomic weights of the individual atoms are found on the periodic table.