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A solution of oxalic acid, a diptrotic acid, is used to titrate a 16.22 mL sample of a .7030 M KOH solution. If the titrtion requires 18.41 mL of the oxalic acid solution, what is the molarity?
Which pair of ions would not be expected to form a precipitate when dilute solutions of each are mixed?
sodium bicarbonate is called baking soda because when heated it releases carbon dioxide gas which is responsible for
A 6.38 mg sample of potassium hydrogen phthalate was dissolved in 50 mL of water and to use as a standardizing aging. If 36.5 mL of NaOH was required to reach the end point, what is the concentration of the solution in uM?
Charcoal samples from Stonehenge in England were burned in O2, and the resultant CO2 gas bubbled into a solution of CaOH2 (limewater), resulting in the precipitation of CaCO3.
A pound of coffee beans yields 50 cups of coffee . (4 cups = 1 qt) How many milliliters of coffee can be obtained from 1 g of coffee beans?
Assume that sucrose is a molecular solid and does not ionize when it dissolves in water. Kf values are given here.
A piece of silver (25 g) is heated to 100 degrees celsius, then dropped into 42.5 g of water with a temperature of 21.7 celsius. Assume they come to the same temp, what is the final temp of the silver and water? (Molar capacities: Ag 25.351 J/mol*..
Calculate the concentrations of all species at equilibrium for each of the following original mixtures.
A compound, C5H10O exhibits IR absorption at 1730 cm-1. Its carbon NMR shifts are given below. The number of hydrogen's at each carbon, resolute by DEPT, is given in parentheses subsequent to the chemical shift
Determine the average atomic mass of boron is the natural abundance of 10B weighing exactly 10.0129 amu is 80.1% and the natural abundance of 11B weighing exactly 11.0093 amu is 19.9%.
sample of HCl solution reacts with excess Mg to produce 4.20 L of H2 gas at 745 mmHg pressure and 35.0 degrees C. What is the molartiy of the HCl solution?
Considering the mixture of the two compounds and range of the melting points, the reason recrystallization was difficult was due to a broad melting point range.
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