If a team official, substitute, substituted or sent off player or outside agent enters the field of play the referee must: 1  only stop play if there is interference with play. 2  have the person removed when play stops. 3  take appropriate disciplinary action.
The bicarbonate ion (hydrogencarbonate ion) is an anion with the empirical formula H C O 3 â and a molecular mass of 61.01 daltons; it consists of one central carbon atom surrounded by three oxygen atoms in a trigonal planar arrangement, with a hydrogen atom attached to one of the oxygens.
Confidence votes 8. Oxygen is transported by the haemoglobin of the red blood cells (erythrocytes). The oxygen binds reversibly to the haemoglobin to form oxyhemoglobin. Oxygen may also be dissolved and be transported in the solution form in blood plasma.Carbon dioxide is transported mainly as hydrogencarbonate ions.The process whereby carbon dioxide is converted into the bicarbonate ions occurs in the red blood cells. The reaction is reversible.xygen may also be dissolved and be transported in the solution form in blood plasma. Carbon dioxide is transported mainly as hydrogencarbonate ions. The process whereby carbon dioxide is converted into the bicarbonate ions occurs in the red blood cells.