How do you know what units the volume and mass should be in when doing the calculations for molar concentration questions ex. A solution is prepared by dissolving 5.18 * 10 ^23 molecules of gaseous hydrogen sulfide in enough water to prepare a 300mL solution. What will be the amount concentration of this solution?

Select each correct answer. more than one answer may be correct. which of the following is a characteristic of unicellular organisms? they can possess tissues and organs. all of their functions are performed by a single cell. they are usually microscopic. each of their cells is specialized to perform a specific function.

How many molecules are found in 1.32 mol of nacl?

Significant figures are digits read directly from the measuring instrument plus one more digit, which is __ by the observer.