If a buffer solution is 0.170 M in a weak base (Kb = 4.2 × 10-5) and 0.490 M in its conjugate acid, what is the pH?
Q: what does the fischer projection of d-galactose look like
A: Galactose is a monosaccharide. The elemental formula of the galactose is C6H12O6. On the basis of co...
Q: What is the molar solubility of silver carbonate (Ag2CO3) in water? The solubility product constant ...
A: Molar solubility is the number of moles of a substance that can be dissolved per litre of solution b...
Q: Which of the following will have the highest boiling point? Justify your answer.A. 0.10 m sodium sul...
A: The boiling point of normal compounds depends on the strength of the intermolecular forces between t...
Q: What is the daughter nucleus (nuclide) produced when 103Mo undergoes beta decay by emitting an elect...
A: Radioactive element, i.e. those elements which have neutron to proton ratio not close to 1, thend to...
Q: 2. Two elements that have the same ground-state valence shell configuration of ns np are a. K and Mg...
A: Potassium and magnesium, calcium and magnesium are s-block elements and it cannot have p electrons i...
Q: Questions 1. a) Write a detailed mechanism for the formation of dibenzalacetone. b) Give the IUPAC n...
A: (a)A detailed mechanism for the formation of dibenzalacetone is given by, Step 1: Deprotonation.Step...
Q: By titration it is found that 35.7 mL of 0.101 M NaOH(aq) is needed to neutralize 25.0 mL of HCl(aq)...
A: The concentration of the HCl solution after neutralisation with sodium hydroxide is determined as,
Q: Draw both resonance structures of the most stable carbocation intermediate in the reaction shown.
A: The attack of H+ on the given molecule is shown. A secondary allylic carbocation is formed.
Q: Currently, the atomic mass unit (amu) is based on being exactly one-twelfth the mass of a carbon-12 ...
A: The mass of an atom is not only due to the sum of the masses of the neutrons, protons and electrons ...