Chem 111 Final Review A

The recorded mass of product from an experiment were: 3.456 g, 3.453 g, 3.457 g, 3.455 g. The expected mass was 8.905 grams. The recorded masses were.....

• accurate

• precise

• both accurate and precise

• neither accurate or precise

The recorded mass of product from an experiment were: 3.456 g, 3.453 g, 3.457 g, 3.455 g. The expected mass was 3.454 grams. The recorded masses were.....

• accurate

• precise

• both accurate and precise

• neither accurate or precise

The recorded mass of product from an experiment were: 3.456 g, 5.453 g, 4.457 g, 3.475 g. The expected mass was 1.454 grams. The recorded masses were.....

• accurate

• precise

• both accurate and precise

• neither accurate or precise

One molecule of tetraphosphorus hexaoxide has how many phosporus atoms?

• 3

• 4

• 5

• 6

One molecule of tetraphosphorus hexaoxide has how many oxygen atoms?

• 3

• 4

• 5

• 6

Avagadro's number is ......................?

• 8.314

• 0.082057

The gas constant when using liters, atm, K, and mol is .......

• 8.314

• 0.082057

• 1

• 3

Which formula helps solve dilution problems in chemistry?

• F=ma

• PV = nRT

How many mL of 10.0 M HCl are required to make 500 mL of 1.00 M HCl?

• 50 mL

• 5 mL

• 0.5 mL

• 500 mL