If there are 7 moles of copper dissolved in 15 moles of zinc to make 22 moles of a brass solution. What is the mole fraction of copper?

Generally speaking, elements with high electronegativities are 1. nonmetals. 2. likely to form anions (except the noble gases). 3. All of these 4. easily reduced (except the noble gases).

How many hydrogen atoms are needed to form five water molecules

What is the molarity of 100 g 60

Liquids take the shape of their

How many liters are there in one gallon?

The density of water is 1.0 g/cm3 will rubbing alcohol float with a density of 0.81 g/cm3

Write an equation that shows the formation of the phosphide ion from a neutral phosphorus atom.

Which of the following terms is defined by the measure of mass per unit of volume? gravity density weight acceleration

Select the lon. O NO₂ H2SO4 O A3

True or False: A Solar eclipse occurs when Earth casts a shadow on the Moon.