Calculate the percent mass of the mineral in the sample
4550 g of rock containing douglasite is treated by AgNO3. it took 37.20 ml of 0.1000 M AgNO3 to precipitate all Cl- as AgCl. Calculate the % mass of the mineral in the sample ?
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A zero-order reaction has a constant rate of 3.20×10-4 . If after 60.0 seconds the concentration has dropped to 6.50×10-2 , what was the initial concentration?
A balloon is filled to a volume of 8.0 102 mL at a temperature of 34.0°C. The balloon is then cooled at constant pressure to a temperature of 1.00 102 K. What is the final volume of the balloon?
At a certain temperature, the Kp for the decomposition of H2S is 0.726 H2S = H2+S initally only H2S is present at a pressure of 0.126 atm in a closed container. what is the total pressure in the container at equilibrium?
What is the pressure (in pascals) if the level in the arm open to the atmosphere is 50.3 cm higher than the level in the arm connected to the gas sample and the atmospheric pressure reading is 759.0 mmHg?
The flask was then shaken until the solution was uniform. A 45.0- sample of this glucose solution was diluted to 0.500 . How many grams of glucose are in 100. of the final solution?
A reaction mixture initially contains a CO partial pressure of 1360 torr and a H2O partial pressure of 1754 torr at 2000 K. Calculate the equilibrium partial pressure of CO2.
A block-and-tackle arrangement has two sheaves on the lower block and the end of the wire rope is also attached to the load block, which weighs 100 pounds.
If 101 g of CaO and 261 g of NH4Cl are mixed, what is the maximum possible yield of NH3?What mass of the excess reactant remains after the maximum amount of ammonia has been formed?
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