Calculate the ph at the equivalence point for the titration
Calculate the pH at the equivalence point for the titration of 0.130 M methylamine (CH3NH2) with 0.130 M HCl. The Kb of methylamine is 5.0× 10-4.
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If the washes totaled 46.4 ml. how many grams of KAI(SO4)2 would be dissolved in the solution? consider the solubility begin 3.00 g/ml.
How many air molecules are in a 13.5 ft x 12 ft x 10ft room? Assume atmospheric pressure of 1 atm, a room temperature of 20.0 degrees Celcius and ideal behavior. There are 28.8 L in 1 cubic foot.
1.00 L solution containing 0.030 mol HA (pKa=2.50) and 0.020 mol NaA. Approximations [HA]=0.030 and [A-]=0.020 What is: Ka, FHA, FA, and approximate H
Based on ion charges and relative ion sizes, rank these ionic compounds by their expected melting points SrO CsBr SrF2 RbF
A strip of zinc metal having a mass of 2.00 g is placed in an aqueous solution containing 2.5 g of silver nitrate, causing the following reaction: Zn +2AgNO3-----2Ag +Zn(NO3)2
Using 3.2 g bromobenzene. Calculate the number of grams of Mg required if you need a molar equivalency of 1.25. Then calculate the amount of benzaldehyde (106.12 g/mol), benzophenone (182.22 g/mol), and methyl benzoate (136.15 g/mol) needed (they
Magnesium can be obtained by precipitating Mg^2+ as Mg(OH)2(s). The Ksp of Mg(OH)2 is 6.0*10^-10. The magnesium ion concentration is 0.059M. If a sample of solution is treated so its [OH-] concentration is maintained at 2.0*10^-3M. What will be [M
one of the standard solution had an abnormally low absorbance reading, causing a less positive slope for the data plot. (a) will the equilibrium concentration of FeNCS^2+
the pressure is found to be 1atm. 3 g of gaseous substance B are then added to the 2g of A, and the pressure is now found to be 1.5 atm. Assuming ideal gas behavior. calculating the ratio of molecular weights, that is MwA/ MwB
A chemist was called to an abandoned aspirin factory to determine the contents of a badly corroded vat. Knowing that two salvage workers had become ill from breathing the fumes
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