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Problem- 500.0 mL of 0.130 M NaOH is added to 555 mL of 0.200 M weak acid (Ka = 7.11 × 10-5). What is the pH of the resulting buffer?
HA(aq) + OH-(aq) H2O (l) + A-(aq)
Determine the solution for the above problem express your work in detail
Calculate the molar mass of a vapor that has a density of 6.735 g/L at 13°C and 825 torr.
Suggest a chemical test that would allow you to distinguish between tert-butyl alcohol and 1 butanol, both of which give a positive ceric nitrate test?
Explain how do reaction rates typically depend on temperature. Explain what part of the rate law is temperature dependent
If the specific gravity of a sample of organic liquid is 0.878, what would be the volume of 2.54 kg of the sample in mL?
Determine the concentration of the sulphuric acid (H2SO4) solution If It takes 58 mL of 0.124 M potassium hydroxide(KOH) to neutralize 41.5 mL of sulphuric acid( H2SO4) solution.? Express your answers in units of moles/liter
in an experiment 23.4g of iron sulphide fes s are added to excess oxygen and 16.5 grams of iron iii oxide fe2o3s are
how much diesel fuel does it take to charge a mobile phone? one gallon of diesel fuel contains about 1.44e8 j of
A certain person had a brain that weighed 1.40 kg and contained 4.60 x 10^10 cells. Assuming that each cell was completely filled with water (density = 1.00 g/mL) calculate the length of one side of such a cell if it were a cube.
What is the stoichiometric coefficient for oxygen gas when the following reaction is balanced using the smallest whole number coefficients?C12H26(g) + O2(g) ? CO2(g) + H2O(g)
The three main components of dry air and the percentage of each are Nitrogen(78.08%), oxygen (20.95%), and argon (0.93) A) calculate the partial pressure of each gas in a sample of dry air at 760mmHg
at 1000 k a sample of pure no2 gas decomposes2no2g 2nog o2gthe equilibrium constant kp is 158. analysis shows that the
fluoride ions, calcium ions, and several other dissolved ions. The ions are evenly distributed throughout the water. Which term or terms could be used to describe this sample of tap water?
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