Chem 2 MIDTERM 1 Sample

Chem 2 MIDTERM 1 Sample - Midterm Exam 1, CHEM 002 Spring...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Midterm Exam 1, CHEM 002 Spring 2007. (Chapters 2, 3, 4 and 6) Name: _________________________ Date: ____________ 1. Which of the solutions below will be a non-electrolyte? a) 0.050 M NaOH b) 0.050 M BaSO 4 c) 0.050 M methanol 2. The following systematic names: sulfur trioxide, sodium oxide, phosphorous trifluoride and copper(I) nitrate are represented by which series of chemical formulas? a) S 2 O 4 , Na 2 O, PF 3 and Cu(NO 3 ) 2 b) SO 3 , NaO, PF 3 and CuNO 3 c) SO 2 , Na 2 O, PF 3 and Cu(NO 3 ) 2 d) SO 3 , Na 2 O, PF 3 and CuNO 3 3. What is the % mass of Ca in Ca(NO 3 ) 2 ? a) 39.3 b) 47.1 c) 23.6 d) 24.42 e) 40.08 4. Given the isotopic data below, what is the isotopic mass of 18 O if the average atomic mass of Oxygen is15.999 amu? Isotopes of O % Abundance Isotopic Mass 16 O 99.758 % 15.995 amu 17 O 0.038 % 16.999 amu 18 O 0.204 % ? amu a) 17.769 b) 16.004 c) 15.580 d) 23.23 e) 22.10 5. A 2.000 g sample of a compound containing only sodium, sulfur and oxygen was heated. After heating, the residue was analyzed and found to contain 0.647 g of
Background image of page 1

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

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

This note was uploaded on 02/27/2010 for the course CHEM 1132 taught by Professor Cole/clark during the Spring '08 term at UCM.

Page1 / 3

Chem 2 MIDTERM 1 Sample - Midterm Exam 1, CHEM 002 Spring...

This preview shows document pages 1 - 2. Sign up to view the full document.

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