3. By adding water to each substance, the amount of solute is decreased. By adding water to the solution, the amount of H+ ions also decreases. In relation to your data, how do you think this affects pH levels?

Read the chemical equation. 2c2h2 + 5o2 → 4co2 + 2h2o which of the following statements would be correct if one mole of c2h2 was used in this reaction? one mole of oxygen was used in this reaction. five moles of oxygen were used in this reaction. four moles of carbon dioxide were produced from this reaction. two moles of carbon dioxide were produced from this reaction.