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QUESTION 3 A 0.06 M HCl solution is used to simulate the acid concentration of the...
QUESTION 7 A 97.5 mL solution is 0.975 M HCl. What is the concentration after 50...
QUESTION 7 A 97.5 mL solution is 0.975 M HCl. What is the concentration after 50 mL of water is added to the solution? Round answer to 3 decimal places and do not include units. QUESTION 8 A 0.07 M HCl solution is used to simulate the acid concentration of the stomach. How many liters of "stomach acid" react with a tablet containing 0.44 g of magnesium hydroxide (58.33 g/mol)? Round answer to two sig figs and do not include...
A solution of hydrochloric acid in an erlenmeyer flask contains 0.297 moles HCI. If the volume...
A solution of hydrochloric acid in an erlenmeyer flask contains 0.297 moles HCI. If the volume is equal to 25.00 ml, what is the molar concentration of the solution? Answer to 3 sig figs. Do not include unit, M.
8. (3 points) A 45.00 mL aliquot of a carbonic acid solution is titrated with 41.82...
8. (3 points) A 45.00 mL aliquot of a carbonic acid solution is titrated with 41.82 ml of a 0.4522 M sodium hydroxide (40.00 g/mol), What is the molar (HCO, 62.03 g/mol) in the solution? concentration of carbonic acid H2co +2 NaoH Na,Co,+2 H20 (6 points) Fill in the chart below: (give concentrations to 3 sig figs and pH and pOH to 3 places after the decimal.) 9. 5.74 x 10-11 M 9.731 10. (2 points) Draw an example of...
QUESTION 1 43.2 mL of aqueous 0.255 M Pb(NO3)2 is mixed with 36.1 mL of 0.415...
QUESTION 1 43.2 mL of aqueous 0.255 M Pb(NO3)2 is mixed with 36.1 mL of 0.415 M NaCl. The equation for the precipitate reaction is: Pb(NO3)2 (aq) + 2 NaCl (aq) --> PbCl2 (s) + 2 NaNO3 (aq) How many moles of PbCl2 are formed? (with correct sig figs) QUESTION 2 What volume (in mL!!!) of 1.28 M HCl is required to react with 3.33 g of zinc (65.41 g/mol) according to the following reaction? Zn(s) + 2 HCl (aq)...
stion 62 of 65 > The flask contains 10.0 mL of HCl and a few drops...
stion 62 of 65 > The flask contains 10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret contains 0.320 M NaOH. It requires 19.4 mL of the NaOH solution to reach the end point of the titration. What is the initial concentration of HCI? CH concentration: 1.6 M HCI Incorrect 63 of 65 > A barium hydroxide solution is prepared by dissolving 1.67 g of Ba(OH), in water to make 33.6 mL of solution. What is...
The initial concentration of hydrochloric acid, HCl, is 12 M. I want to dilute this solution...
The initial concentration of hydrochloric acid, HCl, is 12 M. I want to dilute this solution to get 500. 5. 0 mL of a 1.5 M solution. How many mL of the concentrated HCI must I use? 6. How many moles of sodium carbonate are contained in 200.00 mL of an 0.835 M solution of Na2CO3? 7. For the following reaction: 3 Cu(o+ 4 HNOs (a)3 Cu(NO,)2 (0)+2 NO20)+2 H20 What volume of 0.285 M HNOs is required for complete...
help;( Data Sheet Titration and Buffers Name Date Part One: Buffer Solution (record the results from...
help;(
Data Sheet Titration and Buffers Name Date Part One: Buffer Solution (record the results from the video) Lab Section Number of Drops of HCl added to "water": Color changed from to Number of Drops of HCl added to "buffer": Color changed from to to Number of Drops of NaOH added to "water": Number of Drops of NaOH added to "buffer": _Color changed from Color changed from to Part Two: Titration Results for Acid-Base Neutralization (record the results from the...
An aqueous solution of Ca(OH)2with a concentration of 0.143 M was used to titrate 25.00 mL...
An aqueous solution of Ca(OH)2with a concentration of
0.143 M was used to titrate 25.00 mL of aqueous HCl. 14.73
mL of the Ca(OH)2was required to reach the endpoint of
the titration.
How many moles of base were required to react completely with the
acid in this reaction?
How many moles of HCl were present in the original 25.00 mL of
acid?
What is the molarity of the original HCl solution?
04 Question (a points) aSee page 166 Watch the...
just answer the first question but question is needed to solve In a follow-up experiment, 19.494-mL of an aqueous...
just answer the first question but question is needed to
solve
In a follow-up experiment, 19.494-mL of an aqueous solution of potassium hydroxide was prepared so that it contained exactly the same concentration of hydroxide ion from Question 10 This solution was mixed into a reaction vessel that contained an aqueous solution of a Group IIA-chloride chemical compound. At the end of the reaction, it was discovered that your solution was perfectly neutral.(Assume the hydroxide containing product precipitated out completely...
lo 3. A 0.200 M solution of HCl is ad resulting solution concentration of H2PO- in...
lo 3. A 0.200 M solution of HCl is ad resulting solution concentration of H2PO- in the solution? For phosphoric acid. (a) 0.0205 molar on containing 0.150 moles of sodium phosphate (NasPO). The is then diluted to exactly 1.00 L, at which time the pH was found to be pH 8.00. What is the Kai-7.11 x 103, K 6.32 x 10, K)-7.1x 10s, (b) 0.150 molar (c) 0.0750 molar following statements is true regarding the isoionic point and the isoelectric...
QUESTION 7 A 97.5 mL solution is 0.975 M HCl. What is the concentration after 50 mL of water is added to the solution? Round answer to 3 decimal places and do not include units. QUESTION 8 A 0.07 M HCl solution is used to simulate the acid concentration of the stomach. How many liters of "stomach acid" react with a tablet containing 0.44 g of magnesium hydroxide (58.33 g/mol)? Round answer to two sig figs and do not include...
A solution of hydrochloric acid in an erlenmeyer flask contains 0.297 moles HCI. If the volume is equal to 25.00 ml, what is the molar concentration of the solution? Answer to 3 sig figs. Do not include unit, M.
8. (3 points) A 45.00 mL aliquot of a carbonic acid solution is titrated with 41.82 ml of a 0.4522 M sodium hydroxide (40.00 g/mol), What is the molar (HCO, 62.03 g/mol) in the solution? concentration of carbonic acid H2co +2 NaoH Na,Co,+2 H20 (6 points) Fill in the chart below: (give concentrations to 3 sig figs and pH and pOH to 3 places after the decimal.) 9. 5.74 x 10-11 M 9.731 10. (2 points) Draw an example of...
stion 62 of 65 > The flask contains 10.0 mL of HCl and a few drops of phenolphthalein indicator. The buret contains 0.320 M NaOH. It requires 19.4 mL of the NaOH solution to reach the end point of the titration. What is the initial concentration of HCI? CH concentration: 1.6 M HCI Incorrect 63 of 65 > A barium hydroxide solution is prepared by dissolving 1.67 g of Ba(OH), in water to make 33.6 mL of solution. What is...
The initial concentration of hydrochloric acid, HCl, is 12 M. I want to dilute this solution to get 500. 5. 0 mL of a 1.5 M solution. How many mL of the concentrated HCI must I use? 6. How many moles of sodium carbonate are contained in 200.00 mL of an 0.835 M solution of Na2CO3? 7. For the following reaction: 3 Cu(o+ 4 HNOs (a)3 Cu(NO,)2 (0)+2 NO20)+2 H20 What volume of 0.285 M HNOs is required for complete...
help;(
Data Sheet Titration and Buffers Name Date Part One: Buffer Solution (record the results from the video) Lab Section Number of Drops of HCl added to "water": Color changed from to Number of Drops of HCl added to "buffer": Color changed from to to Number of Drops of NaOH added to "water": Number of Drops of NaOH added to "buffer": _Color changed from Color changed from to Part Two: Titration Results for Acid-Base Neutralization (record the results from the...
An aqueous solution of Ca(OH)2with a concentration of
0.143 M was used to titrate 25.00 mL of aqueous HCl. 14.73
mL of the Ca(OH)2was required to reach the endpoint of
the titration.
How many moles of base were required to react completely with the
acid in this reaction?
How many moles of HCl were present in the original 25.00 mL of
acid?
What is the molarity of the original HCl solution?
04 Question (a points) aSee page 166 Watch the...
just answer the first question but question is needed to
solve
In a follow-up experiment, 19.494-mL of an aqueous solution of potassium hydroxide was prepared so that it contained exactly the same concentration of hydroxide ion from Question 10 This solution was mixed into a reaction vessel that contained an aqueous solution of a Group IIA-chloride chemical compound. At the end of the reaction, it was discovered that your solution was perfectly neutral.(Assume the hydroxide containing product precipitated out completely...
lo 3. A 0.200 M solution of HCl is ad resulting solution concentration of H2PO- in the solution? For phosphoric acid. (a) 0.0205 molar on containing 0.150 moles of sodium phosphate (NasPO). The is then diluted to exactly 1.00 L, at which time the pH was found to be pH 8.00. What is the Kai-7.11 x 103, K 6.32 x 10, K)-7.1x 10s, (b) 0.150 molar (c) 0.0750 molar following statements is true regarding the isoionic point and the isoelectric...
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