Many organ systems serve to maintain a healthy body. the excretory system is an organ system which is composed of the sweat glands, the lungs, the rectum, and the kidneys, which all function to remove waste material.

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.

If a solution contains 3 moles/liter of sodium chloride (nacl, made of sodium ions and chloride ions), what is the osmolarity of this solution

How many grams of sodium chloride are in 250ml of a 2.5m naci solution