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In the laboratory, you dissolve 45.1 g of potassium carbonate in a volumetric flask and then add water to reach a total volume of 375 mL. The molar mass of potassium carbonate is 138.21 g/mol.
What is the molarity of the solution? _______________________
What is the concentration of the potassium cation? _______________________
What is the concentration of the carbonate anion? _______________________
The Haber process is very important for agriculture because it converts N2 (g) from the atmosphere into bound nitrogen which can be taken up and used by plants. The reaction is N2 + H2->NH3
When 24 mL of a 175 mL stock solution containing 1.6 M BaF2 is diluted to 70 mL, what is the concentration of Ba2+ in the new solution?
Aldo Reaction Major and Minor Products from Benzaldehyde and Cyclohexanone. Why is the one you chose the major product
For octane and ethanol, how many moles of liquid are there in the same 54L of volume?V= 54L , P=180 atm, T= 298 K
How much heat is evolved in converting 1.00 mol of steam at 155.0C to ice at -45.0°C? The heat capacity of steam is 2.01 J/(g⋅°C) and of ice is 2.09 J/(g⋅°C)
If 159 of wet is collected over water at 24 and a barometric pressure of 737 , how many grams of have been consumed.
Compounds like CCl2F2 are known as CFCs and were once widely used as refrigerants. Breaking down of these molecules in the atmosphere releases Cl atoms
The Cu is added to the calorimeter, and after a time the contents of the cup reach a constant temperature of 30.2 *C. Determine the amount of heat, in Joules, lost by the copper block
At 25 C the vapor pressure of water is 23.8Torr. If 10.02g of water is placed in a 3.00L flask at 25 C, will the water be completely gaseous, entirely liquid, or in both phases. If in both phases, find out the mole fraction in each phase.
Problem- Calculate the total amplitude of the normalized bonding and antibonding LCAO-MOs that may be formed from two H1s orbitals at a separation of 106 pm. Plot the two amplitudes for positions along the molecular axis both inside and outside th..
thomas poured 25 ml of 0.60 m hcl into a large bottle. he then added enough water so that the new diluted concentration
find the voltage (v) of the cell if the right half-cell contains 0.4880 M AgNO3(aq) and the left half-cell contains 0.0093 M Cd(NO3)2.
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