Trộn dung dịch CH 3 COOH 0,8M với dung dịch KOH 0,2M theo tỉ lệ thể tích 1 : 1. Tính pH của dung dịch thu được? Cho pK a (CH 3 COOH) = 4,75.

Write two balanced equations 1. dissolving of solid sodium hydroxide in water 2. the reaction of sodium hydroxide solution with hydrochloric acid

Which of the following statements about hybrid orbitals is or are true? choose all that apply. choose all that apply. under sp2 hybridization, the large lobes point to the vertices of an equilateral triangle. after an atom undergoes sp hybridization there is one unhybridized p orbital on the atom. the angle between the large lobes of sp3 hybrids is 109.5∘

Asubstance is a good conductor of electricity which of the following best explains a probable position of the substance in a periodic table