Yowell Mole pt1

What is the mole used for? 

• To measure the amount of grams in a substance
• To measure the amount of atoms or molecules in a substance
• To measure the amount of energy in a substance
• To measure the amount of bonding in a substance 

What is Avogadro's Number? 

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

Tags

NGSS.HS-PS1-7

What is the molar mass of H₂O?

• 6.02 x 10²³
• 16 grams
• 18 grams
• 15.99999 grams

What is the molar mass NaCl?

• 58 grams
• 22.95 grams
• 162 grams
• 6.02 x 10²³

How many atoms are in 1 mole of NaCl? 

• 6.02 x 10²³
• 58 
• 11
• 17

Tags

NGSS.HS-PS1-7

What is the molar mass when you have 4 moles of CO₂?

• 176 grams

• 54 grams

• 128 grams

• 280 grams

Tags

NGSS.HS-PS1-7

(0902) The mass of one mole of substance is called...

• molecular mass

• mole constant

• molar mass

• atomic weight

What is the molar mass of one molecule of Nitrogen N₂?

• 14.01 amu
• 14.01 g
• 28.02 g
• 28.02 amu

Tags

NGSS.HS-PS1-1

What is the molar mass of NaOH?

• 40 g/mol
• 38.989 g/mol
• 23.998 g/mol
• 57.004 g/mol

How many molecules of sugar (C₆H₁₂O₆) are in a mole?

• 24 molecules
• 180 molecules
• 180 g
• 6.02 x 10²³ molecules