Se prepara 0,150dm3 de solucion pOH=11,20 a partir de 10,00cm3 de una solucion acuosa de HNO3 (( M=63,0g/mol). La concentracion de la solucion concentrada expresada en %m/V es?

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.