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If I have 100.00 mL of 0.350 M latic acid already, how many grams of sodium lactate (molar mass = 112.06 g/mol) will I neeed to add to this solution to make the preceding buffer? Assume the volume does not change as the sodium lactate is added. How do I go about solving this?
The allowable concentration level of vinyl chloride,C2H3Cl , in the atmosphere in a chemical plant is 2.4×10-6 .How many moles of vinyl chloride in each liter does this represent? How many molecules per liter?
Important information about Heat and temperature, What is Heat? What is temperature? What are the various properties that account for temperature?
What generalization can you make about the rotation of a Fischer projection formula in the plane of the paper? Answer a. 90° rotation results in an enantiomer, 180° rotation results in the identical molecule.
Consider the combustion of ethylene, . If the concentration of is decreasing at the rate of 4.2×10?2 , what is the rate of change in the concentration of
Identify each of the following substances as ionic, polar covalent, or nonpolar covalent. Also predict its solubility in water. 1. Calcium chloride (CaCl2) 2. Pentane (C5H12) 3.Methyl alcohol (CH3OH)
acid is dissolved in water to produce a 1.51 M solution. The pH of the resulting solution is 2.52. Calculate the Ka for the acid.
How many collisions does a single Ar atom make in 1.0 s when the temperature is 25 C and the pressure is (a) 10 bar, (b) 100 kPa, (c) 1.0 Pa
Write a chemical reaction demonstrating that SO2 is an acidic oxide. c) Write balanced chemical reactions demonstrating that Al2O3 is amphoteric.
All numerical answers must be reported to the correct number of significant figures. What volume of 1.000 M LiCl must be diluted with water to prepare 250.0 mL of 0.100 M LiCl
Europium (Europium is a chemical element with the symbol Eu and atomic number 63 )crystallizes in a body-centered cubic lattice compute the unitcell edge length in pm if The density of Eu is 5.26 g/cm3..
Explain Coronary Artery Disease: Good and Bad Cholesterol, A middle-aged man has been diagnosed as being at high-risk of developing Coronary Artery Disease.
Calculate the molarity of a hydrochloric acid solution that is 18.25% HCl by mass and has a density of 1.20 g/mL.
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