What is the % by mass of beryllium chloride, BeCl
What is the mass, in g, of a single atom of sulfur?
A compound is found to be 5.88 % hydrogen by mass, with the remainder of the compound being made up of oxygen.
What is the empirical formula of the compound?
The compound has a molar mass of 34.02 g mol
-1. What is its molecular formula?
How many barium ions does one mole of barium phosphate (Ba
3(PO 4) 2) contain?
What is the average atomic mass of a sample of naturally occuring X, if it is comprised of the following isotopes; 47% X
51, 17% X 52 and 36% X 56?
What do atoms of the isotopes Cl
35, and Cl 37, have in common, given that the average atomic mass is 35.45 amu?
What is always true of a pure compounds' % by mass composition?
Which of the following types of substances must all pure substances fall into?
Which of the following statements is true regarding various oxides of nitrogen?