Determine the percentage composition (by mass) of tin in tin(II) fluoride to three significant figures

Which form of relativism states that people rely on their own standards of right and wrong when making a decision?

Asolution contains 225 g of sodium chloride, nacl, dissolved in enough water to make a 0.25 l of solution. what is the molarity of the solution? a. 3.88 m, b. 1.03 m, c. 1.5 m, d. 15.5 m

The p sub shell can hold up to 8 electrons in an atom. true or false?