1. What is the concentration of a citric acid sample if a 25.00 mL aliquot requires...
1. What is the concentration of a citric acid sample if a 25.00 mL aliquot requires 18.4 mL of 0.200 M KOH titrant to reach the endpoint.
2. How much 0.200 M KOH titrant will be required to reach the endpoint of a titration of 10.00 mL of 0.361 M citric acid?
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1. What is the concentration of a citric acid sample if a 25.00
mL aliquot requires...
1. A potassium hydroxide titrant is standardized using potassium hydrogen phthalate. What is the concentration of...
1. A potassium hydroxide titrant is standardized using potassium hydrogen phthalate. What is the concentration of the titrant if 0.6082 g of KHP requires 38.17 mL to reach the phenolphthalein endpoint? 2. What is the concentration of citric acid in an unknown sample if a 10.00 mL aliquot requires 42.78 mL of the above standardized titrant to reach the phenolphthalein endpoint? 3. How many grams of potassium hydrogen phthalate should be used to standardize 0.200 M potassium hydroxide titrant in...
A potassium hydroxide titrant is standardized using potassium hydrogen phthalate. What is the concentration of the...
A potassium hydroxide titrant is standardized using potassium hydrogen phthalate. What is the concentration of the titrant if 0.6082 g of KHP requires 38.17 mL to reach the phenolphthalein endpoint? Team Member: Collaborative Answer: 0.07826 M Solution: 0.6082 g KHC8H4O1 mol204.22 g KHC8H4O41 mol KOH1 mol KHC8H4O4= 2.978 x10-3 mol KOH concentration=solutesolution=2.987 x 10-3 mol38.17 mLx 1000 mLL= 0.07825 M What is the concentration of citric acid in an unknown sample if a 10.00 mL aliquot requires 42.78 mL of...
A titration was performed to standardize an EDTA solution. a) A 25.00 mL aliquot of a...
A titration was performed to standardize an EDTA solution. a) A 25.00 mL aliquot of a standard solution containing 0.01500 M Ca2+ required 42.87 mL of EDTA to reach the endpoint. The molarity of the EDTA solution is: ________ M b) That same EDTA solution was then used to titrate an unknown hard water sample. A 40.00 mL aliquot of unknown hard water required 34.21 mL of EDTA solution to reach a distinct endpoint. The concentration of Ca2+ ions (assuming...
Determine the concentration of Acetic acid in the 25.00 mL aliquot. a) 18.05 mL of 0.1282...
Determine the concentration of Acetic acid in the 25.00 mL aliquot. a) 18.05 mL of 0.1282 M NaOh was used to titrate this solution. b) determine the concentration of acetic acid in your brand of vinegar (heinz) c)determine the mass of acetic acid present in 10.00 mL of JUST vinegar.
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
A 25.00 mL aliquot of a solution containing phenol was treated with 5 mL of 1 M KBr and 10 mL of ...
A 25.00 mL aliquot of a solution containing phenol was treated with 5 mL of 1 M KBr and 10 mL of 1 MHC A platinum generator electrode was made the anode and Br was oxidized to Br. A constant current of 8.00 mA was passed for 2 min and 38 s (not 2.38 min) to reach the potentiometric endpoint using an ORP electrode. Calculate the concentration of phenol in molL in the original sample, given 2Br-→Br2+22 Br Br 3Bra...
What is the concentration of 25.00 mL of an unknown monoprotic acid if 18.24 mL of...
What is the concentration of 25.00 mL of an unknown monoprotic acid if 18.24 mL of standardized 0.125 M sodium hydroxide solution was required to reach the equivalence point of the titration?
What is the borate concentration when 25.00 mL of solution requires 33.25 mL of 0.0495 M...
What is the borate concentration when 25.00 mL of solution requires 33.25 mL of 0.0495 M HCl titrant to reach the equivalence point?
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...
1. A 10.00 mL aliquot of 0.010 M CaCO3 is titrated with 18.22 mL of EDTA...
1. A 10.00 mL aliquot of 0.010 M CaCO3 is titrated with 18.22 mL of EDTA solution. What is the EDTA molarity? 2. A 250.0 mL water sample requires 30.85 mL of the EDTA solution from question 1 to reach the calmagite endpoint. What was the molarity of the hard metal ions in the water sample? 3. If the metal ions in the water sample of question 2 are assumed to be Ca2+ from CaCO3, express the concentration in ppm...
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
A 25.00 mL aliquot of a solution containing phenol was treated with 5 mL of 1 M KBr and 10 mL of 1 MHC A platinum generator electrode was made the anode and Br was oxidized to Br. A constant current of 8.00 mA was passed for 2 min and 38 s (not 2.38 min) to reach the potentiometric endpoint using an ORP electrode. Calculate the concentration of phenol in molL in the original sample, given 2Br-→Br2+22 Br Br 3Bra...
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...
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