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what is the pH of a solution prepared by mixing 25 mL of 0.10 M methylamine with 25 mL of 0.10 M methylammonium chloride?assume that the volume of the solutions are additive and that Kb = 3.7 x 10^-4 for methylamine
Calculate the PH of this solution.
How many grams of each reactant remains after the reaction is complete and how many grams of each product is produced
Guesstimate the extent of the dipole moment of H 2 O in Debye units, treating H 2 O as three point charges. suppose the O-H distance = 1.00 A, angle H-O-H =104°. The
A 1.00 g sample of an unknown acid required 17.0 mL of .650 M NaOH to neutralize. What is the molar mass of the unknown acid?
A solution is prepared by dissolving 159 g sucrose (C12H22O11) in enough water to produce 1.40 L solution. What is the molarity of this solution?
The heat fusion for water is 80. cal/g. How many calories of heat are released when 20 g of water is at 0 C is frozen to ice ?
A 32.65-g sample of a solid is placed in a flask. Liquid toluene, in which the solid is insoluble, is added to the flask so that the total volume of solid and liquid together is 50.00 ml.
What is the resulting pH of this solution? b. The OCl- form of this acid is less effective as a disinfectant
An oxygen bottle containing a fixed volume oxygen gas has a pressure of 800.00 mm hg and a temperature of 295 k. If the bottle is heated to 328k what will the pressure of oxygen gas be within the bottle and which law will you use to solve it?
Tincture of iodine is I2(s) dissolved in ethanol, C2H2OH. A 1% solution of tincture of iodine is 10.0g of solute for 1000g of solution.
Imagine a silica microsphere half of which is coated with a thin gold coating and having a trimethylammoniumpropanethiol molecule anchored to the gold.
Compute the number of mL of 2.00M H2SO4 required neutralizing 125.5mL of 1.2M KOH
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