How much of solution be mixed to prepare buffer
You need to prepare 100.0 mL of a pH=4.00 buffer solution using 0.100 M benzoic acid (pKa = 4.20) and 0.140 M sodium benzoate. How much of each solution should be mixed to prepare this buffer?
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Rondeli Corporation is considering investing in a new facility. The estimated cost of the facility is $2,045,000. It will be used for 12 years, then sold for $600,000.
Question: He and O2 gases are mixed. A 40L He cylinder with 10atm pressure is connected to a 10 L O2 cylinder with 5atm pressure. The valve between them is opened and the gases completely mix. What is the mole fraction of O2?
Sulfuryl chloride, SO2Cl2, decomposes when heated:
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If a second sample of chloroform is found to contain 28.6 g of carbon, what is the total mass of chloroform in the second sample?
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