Answer to Question #307781 in General Chemistry for sher

Question

1. Solid phosphorous reacts with chlorine gas to produce phosphorous chloride liquid.

How many grams of chlorine gas is required when 1.45 g of phosphorous was used?

2. What volume of hydrogen gas at STP is produced as sulfuric acid acts on 24 g of

calcium?

3.What weight of magnesium is needed to react with HCl to produce 67.2L of hydrogen

gas at STP?

4.What volume of oxygen gas is required to burn 50 L of acetylene gas C2H2 at STP?

Answer 1

2P_(s)+3Cl_2(g)→2PCl_3(l)

_{M=M/RFM=1.45/31}

_{=0.0468 moles of p}