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An acid HA has a vapor density of 5.11 g/L at 25 °C and 1.00 atm....

An acid HA has a vapor density of 5.11 g/L at 25 °C and 1.00 atm. When 1.50 g of HA is dissolved in enough water to make 100.0 mL of solution, the pH is found to be 1.80. Calculate K_a for the acid.

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Answer #1

Pressure of the gas, P 1 atm Temperature, T = 25° C+ 273 = 298K density of the d 5.11 g/L gas, Gas, constant, R = 0.0821 L at

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