Express the answer in scientific notation and with the correct number of significant figures: (6.32 x 10-4) : 12.64

Your answer should have the same number of significant figures as the starting measurement.

872.4 mm =

How much salt is required to make 250g of a 5.0% saline solution?

In order to understand how this equation is derived and why it holds true, the product of each side of the equation should be examined. What value and unit do you get when you multiply a concentration of 0.768 M by a volume of 0.

Which of the following methods can be used to remove water from a mixture of sand and water? A. Centrifuge B. Filtration C. Floatation D. Magnetism

Which is a polar molecule? A) nitrogen trichloride B) sulfur hexachloride C) nitrogen D) carbon disulphide

What is an ionic bond in an electron?

What statements applies to the horizontal rows or periods in the periodic table?

What can scientists measure to provide evidence that electrons can move from one energy level to another?

What type of metal is not attracted to magnets?

How are microwaves produced?

Non metals are acidic in nature explain with an equation