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A=[0.30],[0.60],[0.30] (mol/l)
B=[0.15],[0.30].[0.30] (mol/l)
C= 7.0 x 10-4,2.8 x 10-3,1.4 x 10-3(mol/L-s)
What is the rate equation for the reaction?
How many grams of NaF would have to be added to 2.00 L of 0.100 M HF
to yield a solution with a pH = 4.00?
How many grams of NaF would have to be added to 2.00 L of 0.100 M HF
to yield a solution with a pH = 4.00?
A buffer was prepared by mixing 1.00 mole of ammonia and 1.00 mole of
ammonium chloride to form an aqueous solution with a total volume of 1.00
liter. To 500 mL of this solution was added 30.0 mL of 1.00 M NaOH. What
is the pH of this solution?
What is the name of CH3-C2H5C(CH3)-CH2-CH3
The oxyanions IO2- and ClO4- are respectively called:
A canister of butane gas (C4H10, MM=58.12 g/mol) used for portable cooking is available in a store in two sizes, 750 mL and 2.0 L. The 750 mL canister contains 85 g of butane gas with a pressure of 48 atm at 28 C. How many grams of butane gas are present in the bigger canister under the same condition of pressure and temperature?
Calculate the number of liters occupied at STP of 2.5 mol of nitrogen gas.
5. A 0.400 mg initial sample of radioactive iodine–123, used to treat thyroid cancer, decreases to 0.113 mg after 24.0 hrs. Determine the half–life of iodine–123.
A 150 g of ammonium chloride solution is 15.00 % by mass with a density of 1.037 g/mL. Calculate molarity and molality of a solution
#339914 on Dec 2023