Solution-Determining the molarity of the solution

Determining the molarity of the solution

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1. In a lab, you find four bags; each contains 6.50 g of different gas at STP. The gases are H2, NO2, CO, and He. Calculate the volume of this mixture. Which of the gases would exert the greatest pressure and why?

2. New concept cars in Detroit feature engines that burn hydrogen gas in air to produce water vapor. Suppose that fuel tank contains 151 L of H2 gas at 20.0 atm pressure and 25 Degrees Celsius. If all this gas is burned, what mass of water vapor is produced?

3. If 180 g of Na2SO4 is dissolved in enough water to make 1.25 L of solution, what is the molarity of the solution?

4. What mass of NH4Br is needed to prepare 150 Ml of a 0.25M ammonium bromide solution?

Reference no: EM131072049

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Determining the molarity of the solution : If 180 g of Na2SO4 is dissolved in enough water to make 1.25 L of solution, what is the molarity of the solution? What mass of NH4Br is needed to prepare 150 Ml of a 0.25M ammonium bromide solution?

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Determining the molarity of the solution

Reference no: EM131072049

Reference no: EM131072049

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