Just from the title of this article what do you think you will be reading about and what about the title makes you think that is what you be reading about ?

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.

How many formula units in 2.63 mols of nacl?

Can anyone answer these questions? ? i need it before 1: 00pm today