The Mole Reading

What is the mole in chemistry primarily used for?

• Counting atoms, molecules, and ions in a sample

• Measuring the temperature of a substance

• Determining the color of a chemical

• Calculating the speed of a reaction

What is Avogadro's number approximately equal to?

• 6.022 x 10^23 entities per mole

• 3.141 x 10^2 entities per mole

• 9.81 x 10^3 entities per mole

• 1.602 x 10^-19 entities per mole

Tags

NGSS.HS-PS1-7

How does the mole concept help in determining the empirical formula of a compound?

• By calculating the mole ratio of elements

• By measuring the color of the compound

• By determining the temperature of the compound

• By analyzing the speed of a reaction

Which law relates pressure, volume, temperature, and the number of moles of a gas?

• Ideal gas law

• Law of conservation of mass

• Boyle's law

• Charles's law

Why is the mole considered a fundamental concept in chemistry?

• It enables the quantification and analysis of chemical substances

• It measures the color of substances

• It determines the speed of chemical reactions

• It calculates the temperature of substances

Tags

NGSS.HS-PS1-7