Exam1A - CHEM 1211K Exam One Fall 2010 1. Which compound is...

Info iconThis preview shows pages 1–3. Sign up to view the full content.

View Full Document Right Arrow Icon
CHEM 1211K Exam One Fall 2010 Form A 1 1. Which compound is NOT correctly named? (A) (NH 4 ) 2 SO 4 ammonium sulfate (B) O 2 F 2 dioxygen difluoride (C) RbCl rubidium chloride (D) Cu 3 (PO 4 ) 2 copper phosphate (E) None of the above. 2. A compound was found to contain 43.64% P and 56.36% O by mass. The compound has a molar mass of 283.88 g/mol. What is the compound's molecular formula? (A) P 2 O 5 (B) P 4 O 5 (C) P 4 O 10 (D) PO 2 (E) P 2 O 3. The active ingredient in baking soda is NaHCO 3 . How many grams of NaHCO 3 are needed to provide 2.15 x 10 23 atoms of oxygen? (A) 6.19 g (B) 10.0 g (C) 18.6 g (D) 30.0 g (E) 90.0 g 4. What are the spectator ions in the reaction of aqueous solutions of PbCl 2 and Li 2 SO 4 ? (A) Li + and Cl - (B) Pb 2+ and SO 4 2- (C) Li + and Pb 2+ (D) SO 4 2- and Cl - (E) Li + and SO 4 2-
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
CHEM 1211K Exam One Fall 2010 Form A 2 5. What is the proper formula for the ionic compound formed between Fe 3+ and the hydroxide ion? (A) FeO 3 (B) Fe 3 O (C) FeO (D) FeOH 3 (E) Fe(OH) 3 6. Which ionic compound below is insoluble in aqueous solution? (A) LiOH
Background image of page 2
Image of page 3
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 7

Exam1A - CHEM 1211K Exam One Fall 2010 1. Which compound is...

This preview shows document pages 1 - 3. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online