How many moles of O2 are needed to react with 2.55 mol of C2H2? Express your answer to three significant figures

6.38 moles of are needed to react with 2.55 mol of

Explanation:

The balanced chemical reaction for the combustion of ethyne is:

According to stoichiometry:

2 moles of require = 5 moles of

Thus 2.55 mol of require = moles of

Thus 6.38 moles of are needed to react with 2.55 mol of

h let me think

sorry idk the answer well to you i have a explaination

explanation: a formula which shows the arrangement of atoms in the molecule of a compound