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Calcium phosphate is a very insoluble salt. For Ca3(PO4)2 Ksp = 2 x 10-33. What would be the required concentration of phosphate ion (PO4-2) in order to reduce the Ca+2 concentration to 3 x 10-9 M
Calculate the [OH-] of each aqueous solution with the following [H3O^+] at 25 degrees c: a. Baking soda, 1.0x 10^-8M b. Orange juice 2.0x 10^-4 M c. milk 5.0 x 10^-7 M D bleach 4.8x 10^-12m
A hypersaline solution with a molality of 4.53m has a salt content so high that the mass of the solution per 1000 grams of water is 1265g. calculate the molarity
a student reported the following for his unknown mixture 25 nh4cl 30 nacl and 50 sio2. assuming that the calculations
Show the full mechanism for adipoyl chloride with 1,6-hexanediamine to form nylon-6,6, show the addition of one of the 3 monomers to form a long chain
1. you are playing with a helium balloon on a typically nice fall day in fullerton ca. suddenly the celsius temperature
Pheromones are compounds secreted by the females of many insect species to attract males. One of these compounds contains 80.78 percent C, 13.56 percent H
Determine if the following solution is acidic, basic or neutral and then calculate the pH of each. Assume T = 25°C.
How many grams of magnesium are needed to prepare 3.15 L of H2 at 730 mmHg and 26 celsius?
Question- At extremely low temperatures, molecules condense into a single quantum state and become a "supermolecular wavefunction" with special properties, including the extension of the molecule throughout space. This is called "Bose-Einstein Con..
A compound having a specific rotation of [?] = +40.3° has been isolated and purified. This information indicates that the natural compound: a. is racemic. b. does not rotate plane-polarized light. c. is levorotatory. d. is dextrorotatory
Determine the electronegativity of each pair of elements? Also, classify each bond as pure covalent, polar covalent or ionic.1. K and Cl2. N and N3. C and S
How do you know whether to use PCC or chromic acid for oxidizing a secondary alcohol. I know they both reduce secondary alcohols to ketones, but does it matter which one you pick
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