Question

a. Where did the R constant in PV = nRT come from, and why must we...

a. Where did the R constant in PV = nRT come from, and why must we convert everything to the units of the R constant?

b. If a sample of ethanol (C2H6O) was determined to have a pressure of 2 atm at a temperature of 25 C (celsius), what is its density (in g/L)?
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