If a sample of copper is 3.3g, how many moles of copper atoms is there in the sample?

Conversion factor 2.23 seconds to kilograms

Why are all of the substances on the periodic table classified as elements? A. Substances on the periodic table cannot be dissolved in water or other liquids. B. All elements are pure substances. C.

How many grams of ethanol c2h5oh are required to make a 7.1m solution using 160.0g of water?

What molarity should the stock solution be if you ant to dilute 25.0 mL to 2.00 L and have the final concentration be 0.103M? a. 4.12M, b. 8.24 M c. 0.243 M, d. 0.206M?

The acceleration of an object depends upon

Balance the following redox equation in acidic solution using the smallest integers possible and select the correct coefficient for the H + (aq) ion.

Toussaint L' ouveeture lead a revolt that eventually resulted in Independence for

If a solution contains 1 x 106 hb molecules, how many o2 binding sites are available? if the solution of hb is 50% saturated with o2, how many binding sites are occupied by o2?

A. what are isotopes? b. how are the isotopes of a particular element alike? c. how are they different?

The line of longitude used as the origin in a system of coordinates