Help pls Given the following equation: [ C₄ H₁₀ + O₂ ---> CO₂ + H₂O ] How many moles of O₂ are needed to react with 3.00 moles of C₄ H₁₀?

Match the acid base pairs by arranging the acid name with the conjugate base formula. hydrogen carbonate hydrogen phosphate carbonic acid read water sulfuric acid phosphoric acid a. co32- b. hso4- c. hco3- d. po43- e. h2po4- f. oh-

If 1.8 l of water is added to 2.5l of a 7.0 molarity koh solution, what is the molarity of the new solution

What is the ph of a solution that has a hydrogen ion concentration of 1.0 * 10 -9 m?