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Consider the compounds with the generic formulas listed below and their corresponding molar solubilities in pure water.
A2X; molar solubility= 1.53*10^-4MAX; molar solubility= 1.25*10^-4MAX2;molar solubility= 1.20*10^-4M
Which compound will have the smallest value of Ksp?
An experiment requires 44.0 g of ethylene glycol, a liquid whose density is 1.114 g/mL. Rather than weigh the sample on a balance, a chemist chooses to dispense the liquid using a graduated cylinder. What volume of the liquid should he use?
What is the molarity of a solution produced by dissolving 31 g of Cu(NO3)2 in a 100 mL volumetric flask?(Enter unit as M.)
Kn1 knowledge and understanding of atomic and molecular structure, chemical bonding, chemical formulas, chemical equations, mole calculations and the mole concept and the relation between elements of the Periodic Table.
How much 0.20mol/L sodium hydroxide should be combined to this buffer to raise the pH to 5.1? If the same amount of 0.20 mol/L sodium hydroxide were combined to 250mL of deionized H 2 O, Determine New pH?
Identify the major type of attractive force between particles of each of the following substances: a) HCl; b) MgF2; c) PBr3; d) Br2; e) NH3.
The temperature inside my refrigerator is about 40 Celsius. If I place a balloon in my fridge that initially has a temperature of 220 C and a volume of 0.5 liters
Classify each of the following processes as spontaneous or nonspontaneous. I. H2O(l) --> H2O(g) T=25 deg C, vessel open to atmosphere with 50% relative humidity.
The molar mass for NaCl and water are 58.443 g/mol and 18.015 g/mol, respectively. Calculate the partial molar volumes for NaCl and water in a 0.35m solution
Find the change in the fraction of visibility for a person from planet Krypton with x-ray vision in addition to visible spectrum.
Identify the two important classes of catalysts. Analyze the chemical reactions that take place when a biological catalyst combines
An electron in an atom of Lithium sees an effective nuclear charge of 1.91 at a radius of 152pm. An electron in an oxygen atom sees an effective nuclear charge of 4.45 at a radius of 73pm. How much greater is the attraction between an oxygen elect..
A 1.241-g sample of a solid, weak, monoprotic acid is used to make 100.0 mL of solution. 50.0 mL of this solution was titrated with 0.08126-M NaOH. The pH after the addition of 30.29 mL of base was 4.86, and the equivalence point was reached with ..
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