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Calculate Ka and Original Concentration of Weak BaseYou have a solution of a weak base, the pH of which is 10.7532. If 10.000 mL of this solution will neutralize 6.655 mL of 0.07667 M HCl, what are the Ka of the base and its original concentration?
A pound of coffee beans yields 70 cups of coffee (4 cups = 1 qt). How many milliliters of coffee can be obtained from 1.0 g of coffee beans.
What is the osmotic pressure of a homogenous solution at the temperature At 25 o C, as this solution is consisting of 21.0 g urea
Determine how much Nitrogen gas is consumed if 13.6 grams of FeN are formed in above reaction?
what are some difference or similarity in the type of inhibition caused by heat, acid or base and heavy metal ions on enzyme activity.
An equilibrium mixture of SO2,O2 and SO3 gases at 1500k is determined to consist of 0.244 mol/L SO2, 0.172 mol/L O2 and 0.56 mol/L SO3.
We use Use the De Broglie wavelength formula, ohr radius definition and wave-particle duality equation to compute the wavelength of,
When gaseous nitrogen,hydrogen & ammonia are mixedin a closed vessel at room temperature no apparent change in the concetrations of regardless of the original amount of gases.
Salicylic acid, used in the synthesis of aspirin, has mass composition 60.87% C, 4.38% H, and 34.75% O. What is the empirical formula of the compound.
A 0.1752g sample of silver nitrate was dissolved in 502.3g of distilled water. Calculate the weight molarity of silver in this solution.
Compute the pH at the temperature of 25 0C of a solution prepared by mixing 50 mL of 1.60 M sodium hydroxide solution to 0.5 of .0850 M Furoic acid HC 5 H 3 O 3 .
The distribution coefficient, k = (conc. in hexanes/ conc. in water), between hexanes and water for solute A is 7.5 . What weight of A would be removed from a solution of 10g of A in 100mL of water by a single extraction.
0.75 g of hydrogen chloride (HCl) is dissolved in water to make 7.0 L of solution. What is the pH of the resulting hydrochloric acid solution.
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