Find molar concentration of alkane in a sample of rainwater
The concentration of the alkane C20H42 (FM 282.55) in a particular sample of rainwater is 0.2 ppb. Assume that the density of rainwater is close to 1.00 g/mL and find the molar concentration of C20H42.
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A system of 118.0 moles of an ideal gas in 2.3 m3 has a molar internal energy of U = 25.0 kJ/mol at 1.3 bar. What is the molar enthalpy content of the ideal gas?
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What is the molar solubility of lead II bromide in 0.5M potassium bromide solution? what is the molar solubility of lead II bromide in 0.5M lead II nitrate solution?
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