If 45.8 grams of MgO are dissolved in 205 grams of water, what is the concentration of the solution in percent by mass? 4.48% MgO 18.3% MgO 22.3% MgO 28.8% MgO

Acetone major species present when dissolved in water

Explain the process of polymerisation

How do insects or small animals become preserved in amber

Which statements describe proper use of a filter funnel? Check all that apply. Cut the filter paper in half before placing it in the funnel. Fold the filter paper in fourths before placing it in the funnel. Pour all the liquid through the funnel.

2.0 mol of gas occupy 44.8 l at a temperature of 0°c. what is the pressure of the gas

How can a jet create a sonic boom?

What is the empirical formula of a compound containing carbon, hydrogen, and oxygen in the ratio 14:42:84?

You cut a piece of paper into small pieces is this a physical or chemical change? Explain

Millikan measured the quantity of charge carried by an electron. How did he then calculate the mass of an electron?

What is the Mole ratio between Fe and Fe2o3