is 0.6745 g sample of an unknown acid HX reacts with 41.75 mL of KOH solution for complete neutralization. What is the molarity of the KOH solution

How many moles of air are there in a human lung with a volume of 2.4 l at stp? explain your answer

The climate of the continental united states is generally 1. tropical 2. temperate 3. arctic 4. highland

Consider the reduction reactions and their equilibrium constants. cu+(aq)+e−↽−−⇀cu(s)pb2+(aq)+2e−↽−−⇀pb(s)fe3+(aq)+3e−↽−−⇀fe(=6.2×108=4.0×10−5=9.3×10−3 cu + ( aq ) + e − ↽ − − ⇀ cu ( s ) k =6.2× 10 8 pb 2 + ( aq ) +2 e − ↽ − − ⇀ pb ( s ) k =4.0× 10 − 5 fe 3 + ( aq ) +3 e − ↽ − − ⇀ fe ( s ) k =9.3× 10 − 3 arrange these ions from strongest to weakest oxidizing agent.