Homework Answers
Solution:
The observed value of pH for HCl is lower than CH3COOH suggest low ionization of CH3COOH. Thus, CH3COOH is weaker acid than HCl.
HCl = H+ + Cl- ( complete ionization)
CH3COOH + H2O = CH3COO- + H3O+ (partial ionization)
>> Since, HCl is stronger acid than CH3COOH, hence its pH is lowest. Therefore, pH changes sharply for HCl on dillution than CH3COOH.
HCl + H2O. = H+ + Cl- ( completely ionized)
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DATA AND CALCULATIONS A. pH of Acid Solutions: 1. Strong Acid [HCI), [HCI), 2. 21 Measured pH Molarity Calculated p...
V. DATA WRITE-UP All calculations should be performed assuming a temperature of 25°C. A. pH of...
V. DATA WRITE-UP All calculations should be performed assuming a temperature of 25°C. A. pH of Acid Solutions: 1. Strong Acid: Calculate the molarity of (HCI), Calculate the predicted pH of each of the strong acid solutions. 2. Weak Acid: Calculate the molarity of (HC,H,O,1,. Calculate the predicted pH of each of the weak acid solutions. Use a value of 1.8 X 10"" for the K of acetic acid. DATA AND CALCULATIONS A. pH of Acid Solutions: 1. Strong Acid...
Please walk me step by step on how to get the calculated pH for the weak...
Please walk me step by step on how to get the calculated pH
for the weak acid. I dont understand this at all and really need
step by step not just a brief explanation. Thank you
A pH of Acid Solutions: 1. Strong Acid Measured pH [HCI), 1.48 0.10M [HCI), 2.17 0.010M Molarity (0.0 (1.0) -M2 (10.00 Calculated pH 1.00 2.00 10o = 0.01 -log(0.01)=2 [HC,H,O, Kas 1.8x10s Weak Acid Measured pH [HC,H,O, 3.44 0.01M Molarity 0.10M Calculated pH Compare...
How do you find the Molarity and calculated pH? A. pH of Acid Solutions: Compare and...
How
do you find the Molarity and calculated pH?
A. pH of Acid Solutions: Compare and explain the observed values of pH for these two acids.
C. pH of Buffer Solutions (continued): Measured pH Calculated pH (from [H+] in previous table) C.1...
C. pH of Buffer Solutions (continued): Measured pH Calculated pH (from [H+] in previous table) C.1 Buffer C.2a Buffer + HCI 4.82 4.45 4.96 S.S7 C.2b Buffer + NaOH C.3 Water C.4a Water + HCI C.4b Water + NaOH 12.34 Compare and explain the difference in pH change occurring for the buffer system and for the water on the addition of HCl.
Name: CHM 1202 Calculating pH of Acid Solutions - Reading Guide Strong Acids List and memorize...
Name: CHM 1202 Calculating pH of Acid Solutions - Reading Guide Strong Acids List and memorize the six strong acids shown in Figure 14.6. Calculate the pH of an 0.22 M solution of HBr. Remember: Strong acid solutions completely dissociate so the (acid] = [H,O']! (ans. pH=0.66) Weak Acids What is the difference between a strong acid and a weak acid? Write the K. equation for HNO2 Write the K, equation for HC H302 For weak acids, an ICE table...
EQUL 499- Det. Of pH of Strong Acid, weak acid, salt, and buffer solution Discussion Topics...
EQUL 499- Det. Of pH of Strong Acid, weak acid, salt, and buffer solution Discussion Topics Discussion Topics (need to submit in Blackboard): 1. What is a buffer? • A buffer is a solution that, when introduced to a new environment, undergoes minimal pH change, typically when adding acidic or basic solutions. These are extremely important for life because the pH of human blood is delicate and even if it is changed by 0.1, there may be catastrophic effects. 2....
EQUL 499: Studying the pH of Strong Acid, Weak Acid, Salt, and Buffer Solurions name 101...
EQUL 499: Studying the pH of Strong Acid, Weak Acid, Salt, and Buffer Solurions name 101 section date Data Sheet 1 , Preparing HCI Solutions and Determining pH concentration of HCI, M measured pH theoretical pH Z.04 1.0x 10- 218 3.54 3,91 1.0 x 10- 1.0 x 10- 1.0x 10 I. Preparing HC2H302 Solutions and Determining pH cancentration of HC H,O, M measured pH theoretical pH 3-82 4.22 1.0 x 10 1.0 x 10-2 5.06 1.0 x 10-3 5.71 1.0x...
PH of Buffered solutions: Acids, If the calculations do not fit into the table, then number the c...
pH of Buffered solutions: Acids, If the calculations do not fit into the table, then number the calculation and use a separate pH Calculations t n Sey Ayat Buffer 2 4.74 on Buffer 1A and но t . 52|1513 |0431시 A2 6 Se pava Da pv 119 Chem 24B pH of salts and buffers Revised Sp 17 Solution pH Buffer 2A and HCI 119 ow Buffer 1B and on Se vavante Buffer 2B and NaOH 5-3千 ơn pu Pev 2...
DATA SHEET Solution to test Molarity (except water) Measured pH Calculated pH Water NaCl NaOH HCI...
DATA SHEET Solution to test Molarity (except water) Measured pH Calculated pH Water NaCl NaOH HCI NaCH3CO2 Discussion 1. What do you expect the pll of tap water to be? Did it agree with the experimental value? not explain 2. What do you expect the pH of NaCl to be? Did it agree with the experimental value? If not. explain. 3. Show calculations for the pH of the NaOH solution. Did it agree with the experimental value? 4. Show calculations...
I need help finding calculated pH for part IV and part V please! pKa of acetic...
I need help finding calculated pH for part IV and part V
please!
pKa
of acetic acid= 4.744
su 13.21 Part IV: Dilution of Buffered and Unbuffered Solutions Calculated pH | Calculated ApH Observed pH Observed ApH Number Preparation 15 ml. HC H3O2(aq) 15 ml NaC,HO2(aq) 5 ml Solution 1 25 mL H20 5 ml Solution 2 25 ml H20 4 30 mL HC H2O2(aq) 5 ml Solution 4 25 ml H2O 5 ml Solution 5 25 ml. H2O 4.10...
V. DATA WRITE-UP All calculations should be performed assuming a temperature of 25°C. A. pH of Acid Solutions: 1. Strong Acid: Calculate the molarity of (HCI), Calculate the predicted pH of each of the strong acid solutions. 2. Weak Acid: Calculate the molarity of (HC,H,O,1,. Calculate the predicted pH of each of the weak acid solutions. Use a value of 1.8 X 10"" for the K of acetic acid. DATA AND CALCULATIONS A. pH of Acid Solutions: 1. Strong Acid...
Please walk me step by step on how to get the calculated pH
for the weak acid. I dont understand this at all and really need
step by step not just a brief explanation. Thank you
A pH of Acid Solutions: 1. Strong Acid Measured pH [HCI), 1.48 0.10M [HCI), 2.17 0.010M Molarity (0.0 (1.0) -M2 (10.00 Calculated pH 1.00 2.00 10o = 0.01 -log(0.01)=2 [HC,H,O, Kas 1.8x10s Weak Acid Measured pH [HC,H,O, 3.44 0.01M Molarity 0.10M Calculated pH Compare...
How
do you find the Molarity and calculated pH?
A. pH of Acid Solutions: Compare and explain the observed values of pH for these two acids.
C. pH of Buffer Solutions (continued): Measured pH Calculated pH (from [H+] in previous table) C.1 Buffer C.2a Buffer + HCI 4.82 4.45 4.96 S.S7 C.2b Buffer + NaOH C.3 Water C.4a Water + HCI C.4b Water + NaOH 12.34 Compare and explain the difference in pH change occurring for the buffer system and for the water on the addition of HCl.
Name: CHM 1202 Calculating pH of Acid Solutions - Reading Guide Strong Acids List and memorize the six strong acids shown in Figure 14.6. Calculate the pH of an 0.22 M solution of HBr. Remember: Strong acid solutions completely dissociate so the (acid] = [H,O']! (ans. pH=0.66) Weak Acids What is the difference between a strong acid and a weak acid? Write the K. equation for HNO2 Write the K, equation for HC H302 For weak acids, an ICE table...
EQUL 499- Det. Of pH of Strong Acid, weak acid, salt, and buffer solution Discussion Topics Discussion Topics (need to submit in Blackboard): 1. What is a buffer? • A buffer is a solution that, when introduced to a new environment, undergoes minimal pH change, typically when adding acidic or basic solutions. These are extremely important for life because the pH of human blood is delicate and even if it is changed by 0.1, there may be catastrophic effects. 2....
EQUL 499: Studying the pH of Strong Acid, Weak Acid, Salt, and Buffer Solurions name 101 section date Data Sheet 1 , Preparing HCI Solutions and Determining pH concentration of HCI, M measured pH theoretical pH Z.04 1.0x 10- 218 3.54 3,91 1.0 x 10- 1.0 x 10- 1.0x 10 I. Preparing HC2H302 Solutions and Determining pH cancentration of HC H,O, M measured pH theoretical pH 3-82 4.22 1.0 x 10 1.0 x 10-2 5.06 1.0 x 10-3 5.71 1.0x...
pH of Buffered solutions: Acids, If the calculations do not fit into the table, then number the calculation and use a separate pH Calculations t n Sey Ayat Buffer 2 4.74 on Buffer 1A and но t . 52|1513 |0431시 A2 6 Se pava Da pv 119 Chem 24B pH of salts and buffers Revised Sp 17 Solution pH Buffer 2A and HCI 119 ow Buffer 1B and on Se vavante Buffer 2B and NaOH 5-3千 ơn pu Pev 2...
DATA SHEET Solution to test Molarity (except water) Measured pH Calculated pH Water NaCl NaOH HCI NaCH3CO2 Discussion 1. What do you expect the pll of tap water to be? Did it agree with the experimental value? not explain 2. What do you expect the pH of NaCl to be? Did it agree with the experimental value? If not. explain. 3. Show calculations for the pH of the NaOH solution. Did it agree with the experimental value? 4. Show calculations...
I need help finding calculated pH for part IV and part V
please!
pKa
of acetic acid= 4.744
su 13.21 Part IV: Dilution of Buffered and Unbuffered Solutions Calculated pH | Calculated ApH Observed pH Observed ApH Number Preparation 15 ml. HC H3O2(aq) 15 ml NaC,HO2(aq) 5 ml Solution 1 25 mL H20 5 ml Solution 2 25 ml H20 4 30 mL HC H2O2(aq) 5 ml Solution 4 25 ml H2O 5 ml Solution 5 25 ml. H2O 4.10...
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