Calculate the vapor pressure of pure benzene
The Vapor pressure of a solution containing 36 g of calcium phosphate in 45 g benzene was calculated to 18000 Pascals at 40 °C. Calculate the vapor pressure of pure benzene at 40°C.
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Potash is composed mainly of potassium carbonate. K2CO3. If 1.000-g of potash reacts with sulfuric acid to produce 145 mL of carbon dioxide gas at STP, what is the percentage of potassium carbonate in the marble sample?
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