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Assignment 1 ---------BT Rules--------- www.bakliwaltutorialsiit.com For nuclear weights use the periodic remit 1. How more rupees atomic fig 18 in a mole of rupees? How numerous thousand-rupee nary(prenominal)es is that mole of rupees equal to? 2. NO2 is the molecular formula for nitrous dioxide (also love as nitrogen dioxide). 3. C2H2 is the molecular formula for ethylyne (A.K.A. alkyne). (a) How many atoms atomic number 18 in one molecule? (b) Which atoms make up ethyne? (c) How many moles of atoms are in one molecule of acetylene? (d) How many molecules are in 5.3 moles of acetylene? (e) How many atoms are in a mole of acetylene? 4. account the sub lot of a mole of the following materials: (a) Al (b) Ra (c) Co (d) CO (e) CO2 (f) HCl (g) Na2CO3 (h) Ca(NO3)2 (i) (NH4)3(PO4) (j) H2O (k) Epsom salts - Mg(SO4)7H2O (m) unsanctified oil of vitriol - Cu(SO4)5H2O ? 5. foretell the number of moles in: (a) 2.3 g of carbon (b) 0.014 g of case shot (c) a 5 g fu nds bracelet (d) a pound of table salt (e) a 350 kg moulding iron (f) a liter of peeing (g) a net gross ton of sand (SiO2) (h) 6.2 grams of blue vitriol (i) a pound of Epsom salt ? 6. Calculate the number of atoms in: (a) 100 g of Argon (b) 1.21 kg aluminium foil (c) a 28 g strain brick (d) the 107 kg of water in an olympic swimming pocket billiards (e) 7 kg of hydrogen gas (f) a ton of atomic number 20 nitrate ? 7.

What is the serving committal to writing of oxygen in each of the following materials: (a) CO (b) CO2 (c) (NO3)- (d) isopropyl alcoholic beverage C3H8O (e) calcium nitrate (f) blue vitriol - Cu(SO4)5H2O ? 8. What is the percentage com! position of orthophosphate in each of the following materials: (a) phosphoric window glass (b) atomic number 11 carbonate (c) ammonium phosphate (d) calcium phosphate ? 9. What is the percentage composition of convert in each of the following materials: (a) sulfuric acid (b) sodium sulfate (c) Epsom salts ( d) aluminum sulfate ? 10. How many keep down no of electrons are there in 54g of H2O ? 11. impart no. of electrons present in 48g of Mg ? 12. 44g of a savor on complete combustion...If you want to get a full(a) essay, order it on our website: BestEssayCheap.com

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