General Chemistry
11th Edition
ISBN: 9781305859142
Author: Ebbing, Darrell D., Gammon, Steven D.
Publisher: Cengage Learning,
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Chapter 2, Problem 2.139QP
A small crystal of CaCl2 that weighs 0.12 g contains 6.5 × 1020 formula units of CaCl2. What is the total number of ions (cations and anions) that make up this crystal?
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Chapter 2 Solutions
General Chemistry
Ch. 2.1 - Like Dalton, chemists continue to model atoms...Ch. 2.2 - Prob. 2.2CCCh. 2.3 - A nucleus consists of 17 protons and 18 neutrons....Ch. 2.4 - Chlorine consists of the following isotopes:...Ch. 2.5 - By referring to the periodic table (Figure 2.15 or...Ch. 2.5 - Consider the elements He, Ne, and Ar. Can you come...Ch. 2.6 - Prob. 2.4ECh. 2.6 - Classify each of the following as either an ionic...Ch. 2.8 - Prob. 2.5CCCh. 2.8 - Prob. 2.5E
Ch. 2.8 - Prob. 2.6ECh. 2.8 - Prob. 2.6CCCh. 2.8 - Prob. 2.7ECh. 2.8 - Prob. 2.8ECh. 2.8 - Prob. 2.9ECh. 2.8 - Prob. 2.10ECh. 2.8 - Washing soda has the formula Na2CO310H2O. What is...Ch. 2.8 - Prob. 2.12ECh. 2.8 - Prob. 2.7CCCh. 2.10 - Prob. 2.13ECh. 2 - Describe atomic theory and discuss how it explains...Ch. 2 - Two compounds of iron and chlorine, A and B,...Ch. 2 - Explain the operation of a cathode-ray tube....Ch. 2 - Prob. 2.4QPCh. 2 - Prob. 2.5QPCh. 2 - What are the different kinds of particles in the...Ch. 2 - Describe how protons and neutrons were discovered...Ch. 2 - Oxygen consists of three different _____, each...Ch. 2 - Describe how Dalton obtained relative atomic...Ch. 2 - Briefly explain how a mass spectrometer works....Ch. 2 - Define the term atomic weight. 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There are...Ch. 2 - Prob. 2.23QPCh. 2 - A chunk of an unidentified element (lets call it...Ch. 2 - Average Atomic Weight Part 1: Consider the four...Ch. 2 - Model of the Atom Consider the following...Ch. 2 - One of the early models of the atom proposed that...Ch. 2 - A friend is trying to balance the following...Ch. 2 - Given that the periodic table is an organizational...Ch. 2 - Prob. 2.30QPCh. 2 - Prob. 2.31QPCh. 2 - Match the molecular model with the correct...Ch. 2 - Consider a hypothetical case in which the charge...Ch. 2 - Prob. 2.34QPCh. 2 - Prob. 2.35QPCh. 2 - You perform a chemical reaction using the...Ch. 2 - Prob. 2.37QPCh. 2 - Prob. 2.38QPCh. 2 - Prob. 2.39QPCh. 2 - Prob. 2.40QPCh. 2 - A student has determined the mass-to-charge ratio...Ch. 2 - The mass-to-charge ratio for the positive ion F+...Ch. 2 - The following table gives the number of protons...Ch. 2 - The following table gives the number of protons...Ch. 2 - Naturally occurring chlorine is a mixture of the...Ch. 2 - Naturally occurring nitrogen is a mixture of 14N...Ch. 2 - What is the nuclide symbol for the nucleus that...Ch. 2 - An atom contains 34 protons and 45 neutrons. 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Eu, are used to make color...Ch. 2 - Cesium, Cs, is used in photoelectric cells...Ch. 2 - Prob. 2.109QPCh. 2 - One isotope of a metallic element has mass number...Ch. 2 - Obtain the fractional abundances for the two...Ch. 2 - Silver has two naturally occurring isotopes, one...Ch. 2 - Prob. 2.113QPCh. 2 - Prob. 2.114QPCh. 2 - Prob. 2.115QPCh. 2 - Prob. 2.116QPCh. 2 - Prob. 2.117QPCh. 2 - Prob. 2.118QPCh. 2 - Name the following compounds. a Sn3(PO4)2 b NH4NO2...Ch. 2 - Name the following compounds. a Cu(NO2)3 b (NH4)3P...Ch. 2 - Prob. 2.121QPCh. 2 - Prob. 2.122QPCh. 2 - Prob. 2.123QPCh. 2 - Name the following molecular compounds a ClF4 b...Ch. 2 - Prob. 2.125QPCh. 2 - Balance the following equations. a NaOH + H2CO3 ...Ch. 2 - A monatomic ion has a charge of +4. The nucleus of...Ch. 2 - A monatomic ion has a charge of +1. The nucleus of...Ch. 2 - Natural carbon, which has an atomic weight of...Ch. 2 - A sample of natural chlorine, has an atomic weight...Ch. 2 - Prob. 2.131QPCh. 2 - Prob. 2.132QPCh. 2 - Prob. 2.133QPCh. 2 - Prob. 2.134QPCh. 2 - Prob. 2.135QPCh. 2 - Ammonia gas reacts with molecular oxygen gas to...Ch. 2 - A hypothetical element X is found to have an...Ch. 2 - A monotomic ion has a charge of +3. The nucleus of...Ch. 2 - A small crystal of CaCl2 that weighs 0.12 g...Ch. 2 - Prob. 2.140QPCh. 2 - Prob. 2.141QPCh. 2 - The IO3, anion is called iodate. 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