1) Give the name or else the chemical formula, as appropriate, for the following
ID: 851737 • Letter: 1
Question
1) Give the name or else the chemical formula, as appropriate, for the following binary molecular compounds or hydrates: a) XeBr3, b) N2O5. c) P4S1o. d) diboron tetrachloride. e) iodine pentafluoride. f) chlorine monoxide. g) iridium (Ill) bromide tctrahydrate, h) CoSO4.7H20. 2) Give the name or chemical formula, as appropriate, for the following acids: a) HBrO3. b) HBr, c)H3PO4. d) sulfurous acid. e) hydrosulfuric acid. t) hypochlorous acid. g) perchloric acid. 3) Determine the number of each type of atom in each formula: a) M93(PO4)2. b) Al2(CO3)3 4) Find the molar mass of each compound: a) C4H10, b) C6H12O6 c)Ca(NO3)2, d) Al2(SO4)3Explanation / Answer
1
a Xenone tri bromide b Nitrogen pentaoxide c Phosphorous pentasulphide d B2Cl4 e IF5 f ClO g IrBr3.4H2O
h Cobal sulphate hepta hydrate.
2. a Bromic acid or hydrogen bormate
b Hydrogen Bromide
c Phosphoric or orhthophosphoric acid
d H2SO3
e H2S
f HClO
g HClO4
3. a) 3 atomsof Mg , two P, 8 oxygen
b) 2 Al , 3 Carbon, 9 Oxygen
4. Molar masses are
a) 58 b) 180 c) 164 d) 342
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