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.
Ba(OH)2 Ba has a atomic weight of 137 O has a atomic weight of 16 H has a atomic weight of 1 (i'm rounding to make it easy) since you have 2 oxygen and 2 hydrogen elements in your equation that means you have 16x2 and 1x2. then you add the numbers together to get the molar mass.