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Concentrated nitric acid (HNO3) has a density of 1.42 g/mL and is 70% nitric acid. Calculate the molarity of the acid if 30 mL of the concentrated acid is mixed with 255 mL of water.
Titration of 25 mL of the calcium hydroxide solution to the endpoint requires 12.15 mL of 0.070M HCl solution. a) What is the millimolar quantiy of OH? in the 25 mL of solution? b) What are the concentrations of Ca2+ and OH?? c) What is the solubi..
What molarity of aqueous aluminum sulfate solution can be expected to show the same conductivity as 0.015 M Na2SO4 at 18,000 units?
Draw the condensation reaction that would form the dipeptide Met-Ile from the amino acids, Methionine and Isoleucine. Based on the characteristics of the side chains ONLY, would you expect the dipeptide to be polar or nonpolar
is independent of pressure. By doing so, obtain an expression for V as a function of T and ? at fixed P.
The Ag+ ion is larger is a square planar environment than it is in a tetrahedral one. For Ni2+ the reverse is true. Explain.
A chemist has isolated a new natural product and determined its molecular formula to be C24H40O4. In hydrogenation experiments the chemist found that each mole of the natural product reacted with two moles of H2. How many rings are present in the ..
how many kilograms of methane gas must be discharged in a room with a volume of 306 cubic meters to reach the lower
How many grams of chlorine gas must be reacted with excess sodium iodide if 20.0 moles of sodium chloride are needed?
What is the osmotic pressure of a solution made from dissolving 85.0g of glucose in 800ml of water at 19.0 C.
What is the molarity of citric acid in commercially available lemon juice if 17.87 mL of 1.683 M NaOH is required in a titration to neutralize 20.00 mL of the juice? How many grams of citric acid are in 100 mL of the juice?
A toothpaste contains 0.24% by mass of sodium fluoride used to prevent caries (cavities) and 0.30% by mass of triclosan (C12H7Cl3O2). A PRESERVATIVE + ANTIGINVITIS AGENT.
At a birthday pool party, the temperature is 29.50 C and the atmospheric pressure is 765.4 mmHg. One of the decoration helium balloons has a volume of 6.25 L.
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