Calculate the molarity of a solution prepared by dissolving 12.9 g of na2cro4 in enough water to produce a solution with a volume of 740. ml

Determine the formula unit and name for the compound formed when each pair of ions interacts. In the formula, capitalization and subscripts are graded. Spelling counts.

Determine the molecular weight for mg (no3) 2. 134.32 g 118.32 g 148.33 g 172.64 g

dentify some other substances (besides KCl) that might give a positive test for chloride upon addition of AgNO3.

Solve the problem. Express your answer to the correct number of significant figures. 6.221 * 7.11 - 13.7 =

A river channel on a delta is: an estuary a distributary a flood plain a guyot

Tyrell is doing an experiment to find out which evaporates faster-water, liquid soap, or apple juice. To make sure Tyrell experiment is a fair test, he should A. use three containers that are the same size and shape. B.

If an atom of Bromine (Br) becomes an ion, which of the following does it most likely form? a. Br+ b. Br7+ c. Br- d. Br7-

The language of variables

Which of the changes are physical changes

When PCl5 solidifies it forms PCl4 + cations and PCl6 - anions. According to valence bond theory, what hybrid orbitals are used by phosphorus in the PCl4 + cations?