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A common way to determine CEC of a soil is to saturate the CEC with NH4+ ions. If a soil holds 286mg of NH4+ per 100g, what is its CEC?
Classify each reaction and give the name of all the chemical formula involved for each number
The basic Salt sodium acetate, CH3COONa, is completely soluble in water. What is the pOH of a 0.25 M solution of sodium acetate?
The concentration of the HCl solution is 0.1016 M HCl. What volume of 0.1338 M Ba(OH)2 would neutralize 50.00 mL of the HCl solution standardized in the situation above.
When gaseous nitrogen,hydrogen & ammonia are mixedin a closed vessel at room temperature no apparent change in the concetrations of regardless of the original amount of gases.
The heat of vaporization of water at 100°C is 40.66 kJ/mol. Calculate the quantity of heat that is absorbed/released when 9.00 g of steam condenses to liquid water at 100°C.
How many kilograms of sodium fluoride would be needed to treat a 8.00 x 10^7 gal reservoir
a sample of argon gas is at a pressure of 1.24 multiplied by 10^4kpa and a temperature of 24 degrees celcius in a rigid 25-L tank. how many moles of argon does the tank contain?
A 4.369 g sample of metal is placed in a flask. Water is added to the flask and the total volume in the flask is read to be 126.4 ml. The mass of the water
Write the complete balanced equation for the formation of iron(III) hydroxide precipitate from a solution of iron(III) nitrate.
Would applying a high pressure stabilize the CsCl form, or the NaCl form of this compound? (hint: calculate the volume per formula unit)
A 388 mL container holds 0.146 g of Ne and an unknown amount of Ar at 35°C and a total pressure of 640. mmHg. Calculate the moles of Ar present.
A 28.0-g sample of nitrogen gas combines completely with 6.0 of hydrogen gas to form ammonia. What is the mass of ammonia formed.
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