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Consider the titration of 30.0 ml of 0.030 M NH3 with 0.030 M HCl. Calculate the pH after the following volumes of titrant have been added.30.0ml31.0ml
A certain weak acid, HA, with a Ka value of 5.61*10^-6, is titrated with NaOH.
A solution is made by mixing 8.00 (millimoles) of HA and 3.00 mmol of the strong base. What is the resulting pH?
More strong base is added until the equivalence point is reached. What is the pH of this solution at the equivalence point if the total volume is 48.0 ml?
consider the reversible reaction ag lt---gt 2bgat equilibrium the concentration of a is 0.381 m and that of b is 0.154
Give two reasons why ethuyl iodide is preferred over ethyl chloride in the Williamson ether synthesis.
a certain first-order reaction has a rate constant of 6.60times10-3 at 45 . how many minutes does it take for the
a sample of sugar d-ribose c5h10o5 of mass 0.727g was placed in a calorimeter and ignited in the presence of excess
Polypropylene can be made with varying degrees of crystallinity. If it is processed to have an amorphus structure (where the side-chains are ordered randomly, which statements
Calcium carbonate is a major contributor to the "hardness" of water.
Protein Quantification why is it more useful to plot absorbance vs. weight units(mg/ml) instead of absorbance vs. molar concentration?
What is the mass of a single weight (assume one step work) you need to put on a bike pump to take the air in the pump from 1 atmosphere to 9 atmospheres?
The decomposition of hydrogen peroxide is first order in H2O2. 2H2O2 -----> 2H2O + O2 The rate constant for this reaction at 20 C is 1.8 * 10^-5 s^-1
Which of the following are true statements ?
What is the heat change in J associated with 15 g of solid ethanol at -177 oC changing to gas at 146 oC?
The solid KIO3 is diluted shy of the 100mL mark in the volumetric flask. does this technique error result in a reported molar concentration of KIO3 that is too high or too low
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