when calculating density do you put the mass quainty in front of the volume ex: 95 g for Mass dived by 950 gives. 1 ml for density? Or am I mistaken

Approximately how much of the world's freshwater supply comes from groundwater? 5% 10% 15% 20%

During which of the following chemical changes does a precipitate form

Which is an example of chemical property? A. Rain freezing into hail. B. A rusty screw. C. Ice melting in a glass. D. Gas in the atmosphere condensing into clouds.

Calculate [h+] for a solution in which [oh-] is 100 times greater than [h+].

Magnesium has three naturally occurring isotopes with masses of 23.99 amu, 24.99 amu, and 25.98 amu and natural abundances of 78.99%, 10.00%, and 11.01%, respectively. Calculate the atomic mass of magnesium

How many moles of co2 are produced when 10 mol of propane (c3h8) is burned in excess oxygen?

Why are the spheres representing nitrogen and oxygen different colors

How many moles are in 16.94g of water?

Two compound samples are found to have the same mass percentages of the same elements. what can you conclude about the two samples

Sodium hypochlorite (Na xCl yO z) is the active ingredient in household bleach. A 250.0 g sample of sodium hypochlorite contains 77.2 g sodium, 119.1 g chlorine, and the remainder is oxygen. Calculate the empirical formula of sodium hypochlorite.