Chemistry Measurements

Convert the scientific notation 6.022 x 10⁵ into common notation (standard number).

• 602,200

• 602,200,000

• 0.00006022

• 0.000006022

What is 0.001 meters in millimeters? (1 m = 1000 mm)

• 1 millimeters (mm)

• 10 millimeters (mm)

• 100 millimeters (mm)

• 1000 millimeters (mm)

Convert the common notation 5400000000 into scientific notation.

• 5.4 x 10⁹

• 54 x 10⁸

• 540 x 10⁷

• 5400 x 10⁶

What is 546.2 grams in kilograms? (1000 g = 1 kg)

• 546200 kg

• 0.5462 kg

• 0.05462 kg

• 5462 kg

Convert the scientific notation 1.23 x 10²⁰ into common notation

• 123,000,000,000,000,000,000

• 12,300,000,000,000,000,000

• 1,230,000,000,000,000,000

• 123,000,000,000,000,000

The length of a small science table was measured to be 245 cm. What is this length expressed in meters? (1 m = 100 cm)

• 2.45 m

• 0.245 m

• 2450 m

• 0.0245 m

A sample was measured with a mass of 53.7 g. What is the volume of the sample if the density is 7.5 g/mL?

• 7.16 mL

• 0.14 mL

• 46.2 mL

• 402.75 mL

Convert the common notation 0.0000738 into scientific notation

• 7.38 x 10^-5

• 73.8 x 10^-4

• 0.738 x 10^-6

• 7.38 x 10⁵

A chemical reaction produced 15.4 mg of product. What is this mass in grams? (1000 mg = 1 g)

• 0.0154 g

• 15,400 g

• 64.94 g

• 1.54 g

What is the mass of a sample of silver with a volume of 22.5 cm³ and a density of 11.49 g/cm³?

• 258.53 g

• 0.52 g

• 1.96 g

• 33.99 g