Grab a Gram

How many steps will it take me to convert units from grams of compound A to grams of compound B?

• 4

• 3

• 2

• 1

What is the mass of 1 mole of water (H2O)?

• 18 grams

• 20 grams

• 22 grams

• 24 grams

Which of the following instruments is used to measure mass?

• Thermometer

• Barometer

• Balance scale

• Voltmeter

If you have 5 grams of salt, how many moles do you have? (Molar mass of NaCl = 58.44 g/mol)

• 0.0856 moles

• 0.1 moles

• 0.5 moles

• 1 mole

What is the principle behind the conservation of mass?

• Mass can be created

• Mass can be destroyed

• Mass is neither created nor destroyed

• Mass is always increasing

Tags

NGSS.MS-PS1-5

Which of the following is a unit of mass?

• Newton

• Joule

• Kilogram

• Pascal

What is the mass of 2 moles of carbon dioxide (CO2)?

• 44 grams

• 88 grams

• 22 grams

• 66 grams

Tags

NGSS.HS-PS1-7

In a chemical reaction, the mass of the reactants is equal to the mass of the products. This is an example of which law?

• Law of Definite Proportions

• Law of Multiple Proportions

• Law of Conservation of Mass

• Law of Conservation of Energy

Tags

NGSS.MS-PS1-5

Which of the following elements has the greatest atomic mass?

• Hydrogen

• Oxygen

• Carbon

• Uranium

What is the mass of an electron?

• 9.11 x 10^-31 kg

• 1.67 x 10^-27 kg

• 1.67 x 10^-24 g

• 9.11 x 10^-28 g