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Find the molarity of the solution.
1) How would you prepare 1 liter of .002M Na2S2O3 from a solution which was 0.1 M Na2S2O3? 2) What is the molarity of a solution made by mixing 25ml of 8.0 M HCl with 300 ml of 2.0 M HCl?
Explain and show the Chemical properties of tihydric alcohol
1. Draw complete Lewis Structures showing all bonds, lone pairs for the following molecules. Label the Functional groups and Type of Compounds by looking up Table 3.1 3.2 and 3.3 in textbook. Remember all carbons must ha ...
CHEMICAL BONDING MCQ Questions Isostructural species are those which have the same shape and hybridization. Among the given species identify the isostructural pairs. [NF 3 and BF 3 ] [BF 4 - and NH 4 +] [BCl3 and BrCl 3 ...
How is hydrogen peroxide storage in equatorial places (phil)? should it require 2-8 deg C? or ambient room? any special cabinets or equipment sof storing?
A mixture containing KClO3, K2CO3, KHCO3, and KCl was heated, producing CO2, O2, and H2O gases according to the following equations: The KCl does not react under the conditions of the reaction. If 100.0 g of the mixture ...
1. Liquid chromatography was used to measure the concentration of caffeine in coffee. The caffeine standards used to make the calibration curve ranged from 2 ppm to 20 ppm. Analysis of the coffee sample using the curve y ...
A gold nucleus is located at the origin of coordinates, and a helium nucleus initally at the coordinates (0, 2 A) moves to the position (0, 1 A). A: Calculate the magnitude of the force on the electron at each separation ...
Complete the following table by filling in the formula of the ionic compound derived from the cations on the left and each of the anions across the top. I - NO 2 - SO 3 2- Mg 2+ Au 3+
Toxicologists use the term LD50to describe the number of grams of a substance per kilogram of body weight that is a lethal dose for 50 percent of test animals. Calculate the number of arsenic(VI) oxide molecules correspo ...
Identifying of an Unknown Substance Introduction: Elements and compounds are pure substances. A compound consists of two or more elements that are chemically bonded in definite proportion. Based on the constituent elemen ...
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