Compute for the percentage composition of the component of the compound given below: 1) Ammonium sulfite
Solution:

Final Answer %N ; %H; %S; %O

2) Aluminum acetate
Solution:

Final Answer %Al ; %H; %C; %O

Ican determine the molar mass of an element by looking on the under the atomic mass for the element. for example the molar mass of phosphorus is 30.974 grams/mole. avogadro’s number tells me the amount of representative particles in 1 mole of any substance. this means 12.011 gram sample of carbon and a 32.0 gram sample of sulfur have the same number of atoms.

An object resting on a table weighs 100 n. with what force is the object pushing on the table? with what force is the table pushing on the object? explain how you got your answer.

Select the correct lewis structure for fluorine which is group 7a element?