You are given a 6.57g sample of a mixture of cobalt nitrate, magnesium sulfate, and naphthalene. After separation, you recover 3.34 g of cobaltnitrate, 0.25g of magnesium sulfate, and 1.24 g of naphthalene. What was the mass percent of magnesium sulfate in the original mixture?

Which term describes a fracture in the earth at which land stays in the same place? a. joint b. fault c. split d. hinge

Problem page gaseous ethane reacts with gaseous oxygen gas to produce gaseous carbon dioxide and gaseous water . if of water is produced from the reaction of of ethane and of oxygen gas, calculate the percent yield of water. be sure your answer has the correct number of significant digits in it.

Nonpoint source pollution is difficult to control because it