What is the mole ratio of oxygen to alurninum?
0-A=
?:4

Suppose you have designed a new thermometer called the x thermometer. on the x scale the boiling point of water is 129 ? x and the freezing point of water is 13 ? x. part a at what temperature are the readings on the fahrenheit and x thermometers the same?

Find the number of grams of hcl needed to react completely with .50 moles of magnesium.

What is the ph of a 0.0010 m hno3? 1.0 3.0 4.0 5.0