An experiment will
make your hypothesis into a law
make your hypothesis into a theory
make your hypothesis unnecessary
only test your hypothesis

What volume of a 2.00 m stock solution of naoh is needed to prepare 150. ml of 0.40 m solution?

Asample of tin (ii) chloride has a mass of 0.49 g. after heating, it has a mass of 0.41 g.  what is the percent by mass of water in the hydrate?   %

If e is the symbol for an element, which two of the following symbols represent isotopes of the same element? 1. e2. e3. ea.1 and 2c.1 and 4b.3 and 4d.2 and 3