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.
The molar mass of KClO 3 is 122.6 g/mol. Thus, we can convert the number of moles of O 2 from part (a) to moles of KClO 3 and then to grams of KClO 3: Check The units cancel appropriately in the calculations. The numbers of moles of O 2 and KClO 3 seem reasonable, given the small volume of gas collected.