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In the laboratory a student combines 45.9 mL of a 0.197 M magnesium bromide solution with 16.1 mL of a 0.541 M cobalt(II) bromide solution. What is the final concentration of bromide anion?
When a 23.7 mL sample of a 0.362 M aqueous nitrous acid solution is titrated with a 0.310 M aqueous potassium hydroxide solution, what is the pH after 41.5 mL of potassium hydroxide have been added
What is the pH of this solution? (Include activity coefficients in your calculation.) What is the fraction of dissociation of butanoic acid in this solution?
Propanoic Acid, HC3H5O2, is a weak acid. A 0.125 M solution of propanoic acid, HC3H5O2, dissociates 1.020%. Using this information, calculate the pH of the 0.125 M solution of propanoic acid.
What is the maximum number of electrons that could be ejected from this metal by a burst of light (at some other frequency) with a total energy of 1.06× 10-7 J?
Preparation of Aspirin - All of them should be written in paragraphs and the method should not be copied exactely from the instruction
during an experiment a metal and an excess of fluorine gas were placed into a combustion chamber at a temperature of
Buffering capacity You want a solution that will buffer the addition of either 10 micromoles of acid or 10 micromoles of base. Total buffer concentration is equal to the concentration of the acid plus the concentration of salt of the acid
The best means of personal protection from radiation for emergency responders is the implementation of three basic principles: time, distance and shielding.
The small bubbles that form on the bottom of a water pot that isbeing heated (before boiling) are due to dissolved air coming outof solution.
a sample of calcium carbonate caco3 s absorbs 45.5 j of heat upon which the temperature of the sample increases from
consider the following unbalanced equationca3po42 h2so4 ---gt caso4 h3po4what masses of calcium sulfate and
During a strenuous workout an athlete generates 2050.0 kJ of heat energy. What mass of water would have to evaporate from the athletes skin to dissipate this much heat
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