Determine the PH of 0.300M sodium hydrogen phosphate, Na2HPO4.phosphoric acid, H3PO4,contains Ka₁ = 7.5 × 10⁻³ ,Ka₂ = 6.2 × 10⁻⁸, and Ka₃ = 4.2 × 10⁻¹³

Problem page gaseous ethane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water . if of water is produced from the reaction of of ethane and of oxygen gas, calculate the percent yield of water. be sure your answer has the correct number of significant digits in it.

Which of the following units is not an official si unit

We are hoping to create 5.72 grams of glucose. the plant was given 4.75 liters of co2 and 2.81 g of h20. which reactant was the limiting reagent? how much excess mass did we have of the other reactant?