Answer:q1ans:c3h8,q2 ans;zn,q3ans:al2s3
Explanation:limiting reactant is a product that is present in lesser amount and its conumed earlier and determines the amount of the product.since c3h8 had lesser moles then o2,thats why its the limiting reactant because its present in lesser amount and its the same case with the question 2 and in question 3 you have to calculate the moles of h2o and al2s3 ,after doing that u will realize al2s3 has less moles and is the limiting reactant.
