Hurry please need fast In the following chemical phrase how many moles of O are there? 6
C2H602* 2
6
12
3

Using the periodic table, complete the table to describe each atom. type in your answers. a ? b? c? d? e? f?

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.

The number of moles of a given mass of a substance can be found without knowing its molecular formula or molar mass. true false