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What volume of 2.0 M NaClO must be diluted with water to prepare 500.0 mL of 0.10 M NaClO?
Calculate the potential of the cell be if the mass of the Iron (Fe) electrode (MW = 55.85 g/mol) is 62.0 g?
Assume that the wet limestone process requires 1 metric ton of calcium carbonate to remove + 85.0 % of the sulfur from 4 metric tons of coal containing + 10.0 % S Assume that the sulfur product is calcium sulfate.
A 100.0 g sample of water at 90.°C is added to a 500.0 g sample of water at 10.°C. Calculate the final temperature of the water.
Aluminum has a specific heat of 0.880 J/g-deg. How many joules are needed to heat 155g of Al from 20.0oC to 75.0oC
what is the volume percent of a solution prepared by dissolving 43 g of NaOH in enough water to make a final volume of 120 ml.
The freezing point of t-butanol is 25.50C and Kf is 9.1C kg/mol. Usually t-butanol absorbs water on exposure to air. If the freezing point of a 10.0g sample of t-butanol is 24.59C. How many grams of water are present in the sample?
A 97 gram solution of silver nitrate contains 10 grams of AgNO3. What is the percent by mass of silver nitrate in this solution
Determine the partial pressure. Calculate the total pressure and volume in liters at STP of Nitrogen, Helium and Neon mixture.
What is the empirical formula of the compound if Quantitative analysis of a 5.00-g sample of a gaseous compound yielded the following results: 2.00 g sulfur and 3.00 g oxygen?
Calculate the Calorimeter Constant if 25 g of water at 60C was added to 25 g of water at 25C with a resulting temperature of 35C?
calculate the number of moles of He gas is present in a 1500ml balloon at a pressure of 640 torr and temperature of 25 degrees Celsius?
NH3(Ammonia ) is widely used in many household cleaners and as a fertilizer. Calculate How much ammonia (in units of mol) is produced when 7.8 mol of H gas react with an excess of N gas.
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