Chemical Quantities

What is the molar mass of table salt (NaCl)?

• 116.886 g/mol
• 35.453 g/mol
• 22.990 g/mol
• 58.443 g/mol

What is the molar mass of CO₂?

• 12
• 16
• 32
• 44

Calculate the molar mass of Ba(C₂H₃O₂)₂

• 255.3 g/mol

• 237.3 g/mol

• 228.3 g/mol

• 196.3 g/mol

Tags

NGSS.HS-PS1-7

What is the mass of one mole of Helium?

• 4 g

• 2 g

• 8 g

• There is no way to know

36.0 g of Be contains how many moles?

• 0.25 mol
• 4.0 mol
• 45 mol
• 320 mol

How many grams are in 88.1 moles of magnesium?

• 2141 g
• 0.3 g
• 30 g
• 3.6 g

What is the SI unit for the amount of a substance?

• meter

• mass

• molecule

• mole

How many hydrogen atoms are in the compound: (NH₄)₂CO₃

• 3
• 4
• 6
• 8

What is STP?

• Standard Tire Pressure, 65 psi

• Standard Timing and Pressure, 273 K 0 atm

What is Avogadro's Number? 

• 6.02 x 10²³
• - 6.02 10²³
• 6.02 x 10²²
• 6,020,000,000,000