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Problem- A solution of hydrochloric acid of unknown concentration was titrated with 0.28 M NaOH. If a 100.-mL sample of the HCl solution required exactly 10. mL of the NaOH solution to reach the equivalence point, what was the pH of the HCl solution?
How do I yet start setting this up? Thank you
A compound contains only carbon, hydrogen, and oxygen. Combustion of 138.7 g of the compound yields 203.3 g of CO2 and 83.23 g of H2O.
From the values of delta H and delta S, predict which of the following reactions would be spontaneous at 25*C:
What countries are the greatest contributors to the pollutants and why - how is acid rain produced from these pollutants
A titration experiment is set up to use 0.235M bleach (NaOCl) to analyze CrO2-. If 50.0mL of the CrO2-(aq) solution required 37.75mL of bleach to react to completion, what would you calculate as the molarity of the CrO2- solution
The scale of an image indicates that the length of the x-axis and the y-axis is each 4.00nm. Knowing this, determine the radius, in meters of asingle praticle of carbon.
question 1. a solution of 0.100 m acetic acid is prepared.a what is its ph value?b if 20 of the initial acetic acid is
At 25 c the ion product of water, Kw is 1.9 x 10^-14. What is the concentration of hydroxide ions in a solution where the concentration of hydrogen is found to be 5.0 x 10^-15 mol dm^-3.
how many grams of calcium carbonate , CaCO3, do you need in an antacid tablet to neutralize 20 ml of stomach acid ?
It takes 208.4 kJ of energy to remove one mole of electrons from an atom on the surface of rubidium metal. How much energy does it take to take away a single electron from an atom on the surface of solid rubidium
A 50.00-mL sample of 0.100 M KOH is titrated with 0.152 M HNO3. Calculate the pH of the solution after 52.00 mL of HNO3 is added.
Draw every stereoisomer for 1,2-difluoro-1,2-dimethylcyclopentane. Use wedge and dash bonds for the substituent groups
Draw and illustrate the difference in the three dimensional structure of Ethene and point out the difference between this and Ethane
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