Homework Answers
Add Answer to:
Calculate the concentration of an unknown acid if 23.50 mL of 0.250 M NaOH was needed to reach the endpoint for the tit...
To reach the second endpoint for the titration of 10.00 ml of a thiosulfuric acid unknown...
To reach the second endpoint for the titration of 10.00 ml of a thiosulfuric acid unknown solution, 14.32ml of 0.08751 M NaOH is needed. Look up the molecular formula for maleic acid and write a balanced chemical equation for its reaction with NaOH. What is the concentration of the thiosulfuric acid solution? 3.
If a 40 mL of 0.250 M calcium hydroxide is needed to reach the endpoint of...
If a 40 mL of 0.250 M calcium hydroxide is needed to reach the endpoint of 10.0 ml of a hydrochloric acid solution. What is the molarity of the hydrochloric acid solution?
Titration of 25.00 mL of an unknown diprotic acid solution required 15.09 mL of 0.10 M...
Titration of 25.00 mL of an unknown diprotic acid solution required 15.09 mL of 0.10 M NaOH to reach the first equivalence point and 29.82 mL of 0.10 M NaOH to reach the second equivalence point. What is the concentration of the diprotic acid solution?
A volume of 500.0 mL of 0.160 M NaOH is added to 625 mL of 0.250...
A volume of 500.0 mL of 0.160 M NaOH is added to 625 mL of 0.250 M weak acid (Ka = 5.24 x 10-5). What is the pH of the resulting buffer? HA(aq) + OH(aq) + H2O(1) + A- (aq) pH =
Unknown acid concentration in 50.0 mL H2SO4 takes 14.2 mL of 0.103 M NaOH to reach...
Unknown acid concentration in 50.0 mL H2SO4 takes 14.2 mL of 0.103 M NaOH to reach eq. point?
A 25.00 mL volume of an HA acid solution of unknown concentration with 2 drops of...
A 25.00 mL volume of an HA acid solution of unknown concentration with 2 drops of phenolphthalein requires 0.1320 M NaOH was put in buret to reach the endpoint in the titration. The initial reading & fina reading of NaOH is shown in the picture Initial 9.63 mL 24.16 ml Volume of HA acid (mL) Volume of NaOH (mL) Molar concentration of NaOH (molL) We were unable to transcribe this image
3. What volume of 0.025 M NaOH will be required to reach the endpoint in a...
3. What volume of 0.025 M NaOH will be required to reach the endpoint in a titration with 25.00 ml of 0.10 M HCI? Show your work with units and correct significant figures. Circle your answer. 4. Calculate the molarity of a sodium hydroxide solution if 25.00 mL 0.100 M maleic acid requires 22.10 ml of NaOH to reach the endpoint. Show your work with units and correct significant figures. Circle your answer. 5. The following data were collected in...
a. Calculate the volume of 0.450 M Ba(OH), which will be needed to neutralize 46,00 mL of 0.252 M HCI.
a. Calculate the volume of 0.450 M Ba(OH), which will be needed to neutralize 46,00 mL of 0.252 M HCI. b. Find the molar concentration of a sulfuric acid solution, 35.00 mL of which neutralizes 25.00 mL of 0.320 M NaOH. (Careful! Sulfuric acid is diprotic!) c. Calculate the "molarity of water" H₂O in pure water at 30°C. (Hint: The density of water at 30°C is 0.9957 g/mL.] d. A 15.00 mL sample of a solution of H₂SO₄ of unknown concentration was titrated with...
(1). 500.0 mL of 0.110 M NaOH is added to 535 mL of 0.250 M weak...
(1). 500.0 mL of 0.110 M NaOH is added to 535 mL of 0.250 M weak acid (Ka = 6.08 × 10-5). What is the pH of the resulting buffer? HA(aq) + OH-(aq) = H2O(l) + A- (aq) (2). A 25.863 g sample of aqueous waste leaving a fertilizer )manufacturer contains ammonia. The sample is diluted with 74.612 g of water. A 14.159 g aliquot of this solution is then titrated with 0.1059 M HCl. It required 31.31 mL of...
1. if 15.27 mL of 0.250 M solution of barium hydroxide is required to reach the...
1. if 15.27 mL of 0.250 M solution of barium hydroxide is required to reach the equivalence point in a titration of 20.00 mL of nitric acid, what is the concentration of the acid? The equation for the reaction is 2 HNO3 + Ba(OH)2 --> 2 H2O + 2 NO3- + Ba2+ 2. For the reaction: HCOOH + OH- --> HCOO- + H2O If 24.60 mL of base is required to reach the equivalence point of this titration, what volume...
To reach the second endpoint for the titration of 10.00 ml of a thiosulfuric acid unknown solution, 14.32ml of 0.08751 M NaOH is needed. Look up the molecular formula for maleic acid and write a balanced chemical equation for its reaction with NaOH. What is the concentration of the thiosulfuric acid solution? 3.
A volume of 500.0 mL of 0.160 M NaOH is added to 625 mL of 0.250 M weak acid (Ka = 5.24 x 10-5). What is the pH of the resulting buffer? HA(aq) + OH(aq) + H2O(1) + A- (aq) pH =
A 25.00 mL volume of an HA acid solution of unknown concentration with 2 drops of phenolphthalein requires 0.1320 M NaOH was put in buret to reach the endpoint in the titration. The initial reading & fina reading of NaOH is shown in the picture Initial 9.63 mL 24.16 ml Volume of HA acid (mL) Volume of NaOH (mL) Molar concentration of NaOH (molL) We were unable to transcribe this image
3. What volume of 0.025 M NaOH will be required to reach the endpoint in a titration with 25.00 ml of 0.10 M HCI? Show your work with units and correct significant figures. Circle your answer. 4. Calculate the molarity of a sodium hydroxide solution if 25.00 mL 0.100 M maleic acid requires 22.10 ml of NaOH to reach the endpoint. Show your work with units and correct significant figures. Circle your answer. 5. The following data were collected in...
Most questions answered within 3 hours.
-
3 A. What ICMP type is used in IPv4 to detect routing loops or
slow routes?...
asked 11 minutes ago -
a.) The relative humidity (RH) of surface air (2 m height) tends
to decrease from morning...
asked 10 minutes ago -
Perform the following calculation. Make sure to pay attention to
significant figures. Your answer should be...
asked 27 minutes ago -
10. Net Present Value
Method and Internal Rate of Return Method for a service company
Buckeye...
asked 28 minutes ago -
An air conditioner removes hot air at 35 °C and 70 % relative
humidity from the...
asked 28 minutes ago -
TRUE OR FALSE :if false please explain
protiens folds up according to thermodynamic principles into a...
asked 31 minutes ago -
Of the 28 restaurants in an area, 4 serve on one type of
cuisine, 9 serve...
asked 46 minutes ago -
Which of the following is FALSE for catabolic pathways?
They are oxidative.
They generate oxidized enzyme...
asked 1 hour ago -
Question 3 (20 Marks)
Read the text below and answer the question
accordingly.
ABC Enterprises Cc...
asked 1 hour ago -
How does computer technology such as patient portals
affects revenue and expenses in a healthcare
environment?
asked 1 hour ago -
what is the most stable chair conformation for beta -
D - Mannose
asked 1 hour ago -
Use the definition of the fact that f(x) is O(g(x)) to
show that:
1. 7x^2 is...
asked 1 hour ago