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Question- Calculate the molarity of H2C2O4 in 0.2 M oxalic acid (H2C2O4) if Ka1= 0.059, Ka2=6.5x10^-5, and Kw=1x10^-14. Answer in units of mol/L.
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A 2.476 g sample of a monoprotic acid was dissolved in wate. it took 21.36 mL of a 0.1577 M NaOH solution to neutralize the acid. calculate the molar mass of the acid.
What is the equilibrium constant Kc of this reaction? Use an ICE table with numbers.
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A solution (volume = 100.0 ml) contains 0.27 M HCOOH(formic acid, Ka=1.8*10^-4) and 0.39 M KHCOO. a. Determine the pH of the solution b. We add 4.00 ml of 4.0 M HNO3 to this solution. Determine the new pH.
what is the chemical calculation to figure out the following: calculate the new molarity if the following dilution is made (assuming the volumes are additive): 25.0 mL of water is added to 10.0 mL of 0.251 M CaCl2 solution.
The tallest living man today, as recorded, is Allam Chamna of Pakistan. He is 8 feet and 3 inches tall. What is his height in meter - Light travels with a speed of 3 x 108 m/s. Express speed in km/hr - Identify the functional group of the given org..
When 23.0 mL of 0.600 M H2SO4 is added to 23.0 mL of 1.20 M KOH in a coffee-cup calorimeter at 23.50°C, the temperature rises to 30.17°C. Calculate pH of this reaction.
A sample of hard water contains 20mg of Ca++ ions per liter. Explain how many milliequivalents of Na2Co3 would be required to soften 1 liter of sample
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