Question
In: Chemistry
6. Sodium carbonate (1.3579 g) was dissolved in deionized water to give a solution with a...
6. Sodium carbonate (1.3579 g) was dissolved in deionized water to give a solution with a total volume of 250.0 mL. What was the pH of the resulting solution? Hint: For carbonic acid,
pKa1 = 6.351 and pKa2 = 10.329.
Solutions
queen_honey_blossom answered 2 years agoRelated Solutions
Sodium carbonate (2.4134 g) is dissolved in enough deionized water to give a solution with a...
Sodium carbonate (2.4134 g) is dissolved in enough deionized
water to give a solution with a total volume of 250.0 mL. What is
the pH of the resulting solution? Hint: For carbonic acid,
pKa1 = 6.351 and pKa2 =
10.329. What is the equilibrium concentration of
H2CO3 in the solution? calculate the value of
alpha HCO3-
Sodium carbonate (2.4134 g) is dissolved in enough deionized water to give a solution with a...
Sodium carbonate (2.4134 g) is dissolved in enough deionized
water to give a solution with a total volume of 250.0 mL. What is
the pH of the resulting solution? Hint: For carbonic acid, pKa1 =
6.351 and pKa2 = 10.329. What is the equilibrium concentration of
H2CO3 in the solution? calculate the value of alpha HCO3-
Sodium carbonate (1.3579 g) was dissolved in deionized water to give a solution with a total...
Sodium carbonate (1.3579 g) was dissolved in deionized water to
give a solution with a total volume of 100.0 mL. What was the pH of
the resulting solution?
sodium bicarbonate 10 g sodium carbonate 12.72 g, add-50 ml of deionized water to the beaker...
sodium bicarbonate 10 g sodium carbonate 12.72 g, add-50 ml of
deionized water to the beaker and stir until all of the weak acid
or weak base has dissolved. Carefully and slowly pour the weak acid
or weak base solution into the volumetric flask.
preparation of Buffer
pour your weak acid and your weak base together into a
bottle.
How many grams of sodium bicarbonate (M.W.= 84.01 g/mole) would
you have had to weigh out to make up 500ml of...
An unknown mass of sodium hydroxide is dissolved in 500 g of water. This solution is...
An unknown mass of sodium hydroxide is dissolved in 500 g of
water. This solution is neutralized by adding successively 18 g of
CH3COOH, 25.2 g HNO3, and 29.4 g of H2SO4. Determine
a) the mass of NaOH
b) the mass of H2O in the neutral solution.
A chemist prepared a solution by dissolving 52.0 g of hydrated sodium carbonate in water to...
A chemist prepared a solution by dissolving 52.0 g of hydrated
sodium carbonate in water to a total volume of 5.00 dm3. The
concentration was determined to be 0.0366 M. Determine the formula
of the hydrated sodium carbonate.
A solution is prepared by dissolving 11.6 g of a mixture of sodium carbonate and sodium...
A solution is prepared by dissolving 11.6 g of a mixture of
sodium carbonate and sodium bicarbonate in 1.00 L of water. A 300.0
cm3sample of the solution is then treated with excess HNO3 and
boiled to remove all the dissolved gas. A total of 0.940 L of dry
CO2 is collected at 298 K and 0.972 atm.
1. Find the molarity of the carbonate in the solution.
2. Find the molarity of the bicarbonate in the solution.
A 29.0-g sample of NaOH is dissolved in water, and the solution is diluted to give...
A 29.0-g sample of NaOH is dissolved in water, and the solution
is diluted to give a final volume of 1.60 L. The molarity of the
final solution isA) 18.1 M B) 0.453 M C) 0.725 M D) 0.0552 M E)
0.862 M
A 3.900 g sample of a mixture of sodium hydrogen carbonate and potassium chloride is dissolved...
A 3.900 g sample of a mixture of sodium hydrogen carbonate and
potassium chloride is dissolved in 25.80 mL of 0.439 M H2SO4. Some
acid remains after treatment of the sample. Write both the net
ionic and the molecular equations for the complete reaction of
sodium hydrogen carbonate with sulfuric acid. If 34.8 mL of 0.109 M
NaOH were required to titrate the excess sulfuric acid, how many
moles of sodium hydrogen carbonate were present in the original
sample? What...
A sample of sodium carbonate unknown is dissolved in 50.0 mL of water. After performing experiment...
A sample of sodium carbonate unknown is dissolved in 50.0 mL of
water. After performing experiment 3, the student determines that
the second equivalence point occurs at 32.86 mL of 0.1115 M HCl.
What is the theoretical pH of the solution after 16.43 mL of HCl
has been added. Report your answer to two significant figures.
(HINT - refer to the lab procedure and posted notes for the correct
way to approach this problem)
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