How many moles of mgcl2 are there in 336 grams of the compound

2. Calculate the molarity of a solution if there are 1.5 mol of NaCl in 2.3 L of solution.

A natural disaster caused an ecosystem to experience a significant drop in species richness. What can you conclude about the ecosystem? Evenness changed from high to low. Evenness changed from low to high.

The equilibrium of 2H2O ( g. 2H2 ( g. + O2 ( g. at 2,000 K has a Keq value of 5.31 x 10-10. What is the mass action expression for this system?

A tank contains 36.5 g of O₂ and 46.4 g of N₂ at a pressure of 3.64 atm. What is the pressure of O₂ in the tank (in atm) ?

Why is it important for scientists to be able to remove DNA from an organism?

What is the volume of 2.00 moles of chlorine (cl2) gas at stp, to the nearest tenth of a liter?

A reaction of 12.640 g of copper oxide with 0.316 g hydrogen produces 2.844 g of water and Xg of copper. X=_9

If i burn steel wool inside a closed jar or bottle will the oxygen be completly gone

700 grams of glucose reacted fully with oxygen How many moles of gas will be created

The uranium used for nuclear fuel exists in nature in several minerals. Calculate how many moles of uranium are in 8.00 moles of the following: 1. carnotite, K2 (UO2) 2 (VO4) 2 • 3H2O 2. uranophane, CaU2Si2O11 • 7H2O 3.