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Question- If the Ka of a monoprotic weak acid is 3.5 × 10-6, what is the pH of a 0.35 M solution of this acid?
Any expert will able to provide correct answer for the above question.
a solution containing 16.9 g of nonvolatile molecular compound in 250. g of water has a freezing point of -0.744c. what
A mixture of CO2 and Kr weighs 35.0g and exerts a pressure of 0.708 atm in its container. Since Kr is expensive, you wish to recover it from the mixture. After the CO2 is completely removed by absorption with NaOH(s), the pressure in the container..
How can the molarity of chloride ion be calculated when 16 mL (2 mL intervals) of 12 M HCL is added to 5 mL of 0.4 M CO(NO3)2?
The density of water = 1.000 g/mL. The liquid's final volume is not changed by adding the solid. The calorimeter loses only a negligible quantity of heat.
Calculate the heat capacity of a calorimeter if the combustion of 5.000 g of benzoic acid led to a temperature increase of 24.153 degrees Celsius. The heat of combustion of benzoic acid is 26.38 kJ/g.
Explain your answer. Could you still identify what those amino acids were? Explain your answer. What can you not do?
In a study of ammonia production, an industrial chemist discovers that the compound decomposes to its elements N2 and H2 in a first order process. She collects the following data
During the course of an experiment, 10.0 mL of water is added to 25.0 mL of aqueous 0.120 M NaCl. What is the concentration of NaCl in the resulting solution
How many moles of ions are found in 345 ml of a solution containing 4.22 g/L aluminum sulfate
a metal pellet of 100.0 g at 95.0 ordmc is dropped into 218 g of h2o at 23.8 ordmc. if the metal pellet has a heat
A gaseous mixture of O2 and N2 contains 40.8% nitrogen by mass. What is the partial pressure of oxygen in the mixture if the total pressure is 405mmhg
Draw all steps in the synthesis of each of the subsequent compounds using only the organic starting materials given, plus any needed organic/ inorganic reagents.
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