EBK LABORATORY MANUAL FOR GENERAL, ORGA
3rd Edition
ISBN: 9780321918352
Author: Timberlake
Publisher: YUZU
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Chapter 8, Problem 8.33PP
(Calculate the percent mass/Volume (% m/v) for the solute in each of the following solutions:
- a. 2.50 g of KCl in 50.0 mL of solution
- b. 7.5 g of casein in 120 mL of low-fat milk
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There is an instrument in Johnson 334 that measures total-reflectance x-ray fluorescence (TXRF) to do elemental analysis (i.e., determine what elements are present in a sample). A researcher is preparing a to measure calcium content in a series of well water samples by TXRF with an internal standard of vanadium (atomic symbol: V). She has prepared a series of standard solutions to ensure a linear instrument response over the expected Ca concentration range of 40-80 ppm. The concentrations of Ca and V (ppm) and the instrument response (peak area, arbitrary units) are shown below. Also included is a sample spectrum. Equation 1 describes the response factor, K, relating the analyte signal (SA) and the standard signal (SIS) to their respective concentrations (CA and CIS).
Ca, ppm
V, ppm
SCa, arb. units
SV, arb. units
20.0
10.0
14375.11
14261.02
40.0
10.0
36182.15
17997.10
60.0
10.0
39275.74
12988.01
80.0
10.0
57530.75
14268.54
100.0…
A mixture of 0.568 M H₂O, 0.438 M Cl₂O, and 0.710 M HClO are enclosed in a vessel at 25 °C.
H₂O(g) + C₁₂O(g) = 2 HOCl(g)
K = 0.0900 at 25°C
с
Calculate the equilibrium concentrations of each gas at 25 °C.
[H₂O]=
[C₁₂O]=
[HOCI]=
M
Σ
M
Chapter 8 Solutions
EBK LABORATORY MANUAL FOR GENERAL, ORGA
Ch. 8 - Prob. 8.1PPCh. 8 - Prob. 8.2PPCh. 8 - Prob. 8.3PPCh. 8 - Prob. 8.4PPCh. 8 - Prob. 8.5PPCh. 8 - Prob. 8.6PPCh. 8 - Prob. 8.7PPCh. 8 - Prob. 8.8PPCh. 8 - Explain what is happening in the following...Ch. 8 - Explain what is happening in the following...
Ch. 8 - Where would you expect a freshly poured glass of...Ch. 8 - Hyperbaric oxygen chambers contain 100 percent...Ch. 8 - Predict if the following will fully' dissociate,...Ch. 8 - Prob. 8.14PPCh. 8 - Provide a balanced equation for the hydration of...Ch. 8 - Prob. 8.16PPCh. 8 - Prob. 8.17PPCh. 8 - Prob. 8.18PPCh. 8 - How many equivalents of K+ ore present in a...Ch. 8 - Prob. 8.20PPCh. 8 - Prob. 8.21PPCh. 8 - Prob. 8.22PPCh. 8 - Prob. 8.23PPCh. 8 - Prob. 8.24PPCh. 8 - Prob. 8.25PPCh. 8 - Prob. 8.26PPCh. 8 - Prob. 8.27PPCh. 8 - Prob. 8.28PPCh. 8 - Prob. 8.29PPCh. 8 - Prob. 8.30PPCh. 8 - Prob. 8.31PPCh. 8 - Calculate the percent mass, volume (% m/v) for the...Ch. 8 - (Calculate the percent mass/Volume (% m/v) for the...Ch. 8 - What is the concentration in % (m/m) of a solution...Ch. 8 - Prob. 8.35PPCh. 8 - Prob. 8.36PPCh. 8 - What is the concentration in ppm of a solution...Ch. 8 - Prob. 8.38PPCh. 8 - How many liters of a 0.90% (m/v) NaCl solution can...Ch. 8 - Prob. 8.40PPCh. 8 - What would the concentration of the resulting...Ch. 8 - Prob. 8.42PPCh. 8 - How would you prepare 250 mL of a 0.225% (m/v)...Ch. 8 - Prob. 8.44PPCh. 8 - Prob. 8.45PPCh. 8 - Prob. 8.46PPCh. 8 - Prob. 8.47PPCh. 8 - Prob. 8.48PPCh. 8 - Prob. 8.49PPCh. 8 - Prob. 8.50PPCh. 8 - Prob. 8.51PPCh. 8 - Prob. 8.52PPCh. 8 - Prob. 8.53PPCh. 8 - Identity the type of transport (passive diffusion,...Ch. 8 - Prob. 8.55APCh. 8 - Prob. 8.56APCh. 8 - Prob. 8.57APCh. 8 - Prob. 8.58APCh. 8 - Does the solubility of the solute increase or...Ch. 8 - Prob. 8.60APCh. 8 - Prob. 8.61APCh. 8 - Would you expect the concentration of oxygen in...Ch. 8 - Prob. 8.63APCh. 8 - Prob. 8.64APCh. 8 - Prob. 8.65APCh. 8 - Provide a balanced equation for the hydration of...Ch. 8 - Prob. 8.67APCh. 8 - Prob. 8.68APCh. 8 - Prob. 8.69APCh. 8 - Prob. 8.70APCh. 8 - Prob. 8.71APCh. 8 - Prob. 8.72APCh. 8 - Prob. 8.73APCh. 8 - Prob. 8.74APCh. 8 - Prob. 8.75APCh. 8 - Prob. 8.76APCh. 8 - A 750 mL bottle of wine contains 12% (v/v)...Ch. 8 - Prob. 8.78APCh. 8 - Prob. 8.79APCh. 8 - Prob. 8.80APCh. 8 - How many grams of dextrose are in 800 mL of a 5%...Ch. 8 - Prob. 8.82APCh. 8 - Prob. 8.83APCh. 8 - Prob. 8.84APCh. 8 - Prob. 8.85APCh. 8 - Prob. 8.86APCh. 8 - Prob. 8.87APCh. 8 - Prob. 8.88APCh. 8 - Prob. 8.89APCh. 8 - How would you prepare 500 mL of a 5% D5W (dextrose...Ch. 8 - Prob. 8.91APCh. 8 - Prob. 8.92APCh. 8 - Prob. 8.93APCh. 8 - Prob. 8.94APCh. 8 - Consider a cell placed in solution as shown in the...Ch. 8 - Prob. 8.96APCh. 8 - Edema, commonly referred to as water retention, is...Ch. 8 - Prob. 8.98APCh. 8 - Prob. 8.99APCh. 8 - Prob. 8.100APCh. 8 - Prob. 8.101APCh. 8 - Prob. 8.102APCh. 8 - Prob. 8.103CPCh. 8 - Prob. 8.104CPCh. 8 - Two containers of equal volume are separated by a...Ch. 8 - Proteinuria is a condition in which excessive...Ch. 8 - Prob. 8.107CPCh. 8 - Prob. 1IA.1QCh. 8 - Prob. 1IA.2QCh. 8 - Describe the appearance of the foods in (a) the...Ch. 8 - Prob. 2IA.2QCh. 8 - Prob. 2IA.3QCh. 8 - Prob. 2IA.4QCh. 8 - Which of the solutions (tap water or saltwater) is...Ch. 8 - Prob. 2IA.6QCh. 8 - If a person pours a concentrated saltwater...Ch. 8 - If a person drinks too much water too quickly, a...Ch. 8 - Prob. 1ICCh. 8 - Prob. 2ICCh. 8 - Prob. 3IC
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Solutions: Crash Course Chemistry #27; Author: Crash Course;https://www.youtube.com/watch?v=9h2f1Bjr0p4;License: Standard YouTube License, CC-BY