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in an experiment to analyze a sample mixture of sodium carbonate, sodium bicarbonate, and an inert component. 10.00 ml of 0.100M HCL were used to titrate .300g of the sample using phenolphthalein as an indicator. Calculate the number of moles and the mass of sodium carbonate present in the mixture.
nitrobenzenesulfonic acid starting from benzene and using any needed organic/inorganic reagents.
Discuss the chemical interactions of the material(s) involved in this incident or hazardous properties relevant to the incident; Discuss the mitigation required or implemented.
if 0.55 g of a gas dissolves in 1.0 l of water at 20.0 kPa of pressure, how much will dissolve at 110.0 kPa of pressure?
What is the pH of a buffer prepared by adding 0.45 mol of the waek acid HA to 0.608 mol of NaA in 2.00 L of solution? The dissociation constant Ka of HA is 5.66e-7
How many grams of Al are required to completely react with 50.0 g of O2?
A certain substance has a heat of vaporization of 29.00 kj/mol. At what Kelvin temperature will the vapor pressure be 3 times highe
commercially available styrene contains about 15 ppm of 4-tert-butylcatechol. Draw the structural formula for 4-tert-butylcatechol
How many grams of C are combined with 2.91 x 1023 atoms of H in the compound C5H10?
Calculate the change in pH when 7.00 mL of 0.100 M HCl(aq) is added to 100.0 mL of a buffer solution that is 0.100 M in NH3(aq) and 0.100 M in NH4Cl(aq).
Oxygen gas reacts with powdered aluminum according to the following reaction: 4Al(s) + 3O2 (g) = 2Al2O3(s). How many liters of O2 gas, measured at 779 mm Hg and 30 C, are required to completely react with 2.5 mol of Al?
Calculate the pH of the 0.39M NH3/ 0.73M NH4CL buffer system . B) what is the pH after the addition of 20.0 mL of 0.075M NaOH
The value of Ka for monochloroacetic acid is 1.35 multiplied by 10-3. Calculate the pH of a 0.24 M solution of monochloroacetic acid.
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