Calcium fluoride is 48.7% fluorine by mass. How many grams of calcium fluoride would contain 6.34 grams of fluorine?

1What is one major difference between fossil fuels and biofuels? ABurning fossil fuels releases greenhouse gases; burning biofuels releases no greenhouse gases incorrect answer B Fossil fuels exist in unlimited supply;

Convection currents or wind in the atmosphere

A 32.65-g sample of a solid is placed in a flask. Toluene, in which the solid is insoluble, is added to the fla sk so that the total volume of solid and liquid together is 50.00 mL. The solid and toluene together weigh 58.58 g.

Your friend claims that every pound of food you eat results in a pound gained in weight use the law of conservation to explain why this might be a valid statement

How many carbon atoms does the common group of amino acids have? a. 0 c. 2 b. 1 d. 3

What is Flocculation

What is the difference between a 1s orbital and a 2s orbital is that

Why should distilled water be used when conducting chemical tests? Select all that apply. O Distillation removes most chemicals present in tap water that could give us false results.

2. How can you use mass and volume to find density of a substance?

Grayson wants to build an inexpensive shelter at his bus stop that he can stand in when it rains. What material would be best for building a shelter that is both strong and waterproof