Fill in the blanks with appropriate option: Vinegar is a liquid consisting of acetic acid produced by the fermentation of _______________ by _____________________.

TLS Online TPP Program

#Question id: 357

#Unit 1. Structure and Function of Biomolecules

What is the concentration of H+ in a solution of 0.1 M NaOH?

TLS Online TPP Program

#Question id: 358

#Unit 1. Structure and Function of Biomolecules

Consider the following reaction at equilibrium: CO2 + H2O ⇔ H2CO3. What would be the effect of adding additional H2O?

TLS Online TPP Program

#Question id: 359

#Unit 1. Structure and Function of Biomolecules

What is the concentration of OH− in a solution with an H+ concentration of 1.3 × 10^−4 M?

TLS Online TPP Program

#Question id: 360

#Unit 1. Structure and Function of Biomolecules

Which of the following is considered to be a strong base (alkali)?

TLS Online TPP Program

#Question id: 361

#Unit 1. Structure and Function of Biomolecules

Calculate the percentage of histidine that has its imidazole side chain protonated at pH 7.3. The pKa values for histidine are pK1 = 1.8, pK2 (imidazole) = 6.0, and pK3 = 9.2.

TLS Online TPP Program

#Question id: 362

#Unit 1. Structure and Function of Biomolecules

A 0.01 M solution of a substance has a pH of 2. What can you conclude about this substance?