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Question- How would you solve this? What is the pH of a solution when 50 ml of 0.2 M Benzoic Acid (pKa=4.19) is titrated with 10 ml of 0.5 M NaOH? a. 2.63 b. 4.19 c. 5.68 d. 8.32
Mention all the steps and procedure to determine the correct value
Compare the chemical structure of the nylon polymer that has been prepared to the polypeptide trimer of glycine, the simplest of the naturally occurring amino acids
How can ethidium ions cause mutations in DNA and what type of interactions exists between the DNA and ethidium ions?
a sample of gold with a mass of 197 grams is made up of 6.02 x1023 atoms. what is the mass of just one atom of gold?a.
Explain a reaction in which A, B, and C react to form products is one-half order in A zero order in B and first order in C.
An unknown compound has a forula of CxHyOz. You burn 0.1523 g of the compound and isolate 0.3718 g of CO2, and 0.1522 g of H2O. What is the empirical formula of the compound?
Three compounds are to be separated using HPLC. Compound A and Compound B have the same polarity but are more polar that Compound C. Compound A and Compound C have the same molecular weight (5000), and Compound B has a molecular weight of 26,000.
A solution contains 0.750 M HA (Ka = 1.0 x 10-6) and 0.250 M NaA. What is the pH after 0.100 mole of HCl is added to 1.00 L of this solution
Explain what mass of CO2 is reacted. Explain what volume of O2 gas is formed
A 100.0 mL sample of 0.10 M NH3 is titrated with 0.10 M HNO3. Determine the pH of the solution after the addition of 150.0 mL of HNO3. The Kb of NH3 is 1.8 × 10-5.
If the heat of combustion for a specific compound is -1390.0 kJ/mol and its molar mass is 61.39 g/mol, how many grams of this compound must you burn to release 821.90 kJ of heat.
A solution is created by adding 0.05 moles of H2CO3 (3.1 g, total mass) to 5-L of water, resulting in a pH of 4.2. Now, we add sodium hydroxide (NaOH, strong base) until the pH reaches 10. You can neglect any changes in volume. What is the alkalin..
Draw a mechanism for the electrophilic aromatic substitution of azulene with NO2 please show bond forming arrows.
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