eng-spring07-q203s

eng-spring07-q203s - CHEM 151: Quiz 3 NAME _KEY_ ID #_ Show...

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CHEM 151: Quiz 3 NAME ___________KEY ____________ ID #_______________ Show your work for full credit Eng Q203 You are allowed to use books/notes/etc, but you Due at the START of Thursday’s (2/8/07) lecture. are not allowed to receive help from others. 1. (4 pts) Name the following compounds. BCl 3 boron trichloride Bi(OH) 3 bismuth (III) hydroxide HCl (g) hydrogen chloride NOT hydrochloric acid (note the gas state) H 2 CO 3 (aq) carbonic acid KrF 2 krypton difluoride NH 3 (common name) ammonia (NH 4 ) 2 SO 4 ammonium sulfate Sn 3 (PO 4 ) 2 tin (II) phosphate 2. (3 pts) Determine the ionic formulae of the compounds composed of the following. barium cations and nitride anions Ba 3 N 2 cobalt (III) cations and hydrogen phosphate anions Co 2 (HPO 4 ) 3 zinc cations and bromide anions ZnBr 2 note that Zn has only a 2+ charge so we don’t have to state the charge. 3. (4 pts) Determine the number of moles in 3.00 grams of magnesium nitrate. a) 0.0348 mol
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This note was uploaded on 07/10/2011 for the course CHM 2045 taught by Professor Eng during the Fall '10 term at UNF.

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eng-spring07-q203s - CHEM 151: Quiz 3 NAME _KEY_ ID #_ Show...

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