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Titration of 25.00 mL of HCl requires 15.62 mL of 0.250 M Ba(OH)2. Determine the concentration of the HCl solution?
Suppose you take a 25.00 mL sample of this hydrochloric acid solution. You then titrate it with a 0.1477 M sodium hydroxide solution.
What are the entropy change and Gibbs energy change on mixing to produce a benzene-toluene solution with 1/3 mole fraction benzene at 25C
what will be the equilibrium concentration of CO.
A piece of a newly synthesized material of mass 25.0g at 80 degrees C is placed in a calorimeter containing 100g of water at 20 degrees C. If the final temp of the system is 24 degrees C, what is the specific heat capacity of this material?
Determine the number of milliliters of 0.0300 M unknown metal hydroxide solution that is required to neutralize 25.00 mL of 0.0150 M phosphoric acid.
how many moles of Ba(OH)2 are present in 165ml of 0.600M Ba(OH)2.
An Ideal gas is in a 375mL Container. Pressure inside is 1012 mmHg. Temp is 31.3 deg Celsius. How manly moles of Ideal Gas are there?
a solution of 8.32g of paba in 150g of chloroform boiled at 62.62C. what is the molecular mass of paba?
Predict the outcome of reactions that occur when a solution having [Cu2+]/[Fe2+] = 10 comes in contact with hydrotroilite (FeS). What will be the ratio of [Cu2+]/[Fe2+] in the solution after equilibrium is established?
Really confused on calculating/finding the half-equivalence point in a titration curve. This was a lab experiment done in my chem lab. We added 0.0750 M NaOH to acetic acid (pipet 10.00mL of ~0.1M HCH3CO2 into the beaker and add 40mL of DI water).
What is the pH of a buffer solution prepared from 5.15g of NH4NO3 and 0.10L of 0.15M NH3? What is the new pH if the solution is diluted with pure water to a volume of 500mL
Write contributing (important) resonance structures for each of the following compounds and predict their relative C=O vibrational frequencies based on the importance of the contributing resonance structures. List in them order from highest to low..
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