Ch 10 The Mole Test Prep Vocab

Compound that has a specific number of water molecules bound to its atoms

• hydrate
• mole
• hydrite
• hydration

Percent by mass of each element in a compound

• emperical formula
• molar mass
• percent composition
• percent mass

mass in grams of one mole of any pure substance

• molecular formula
• mole
• molar mass
• Avogadro's number

Tags

NGSS.HS-PS1-7

Formula of a compound with the smallest whole-number mole ratio of the elements

• empirical formula
• molecular formula
• composition formula

Specifies the actual number of atoms of each element in one molecule of a compound

• empirical formula
• compositional formula
• molecular formula

SI base unit used to measure the amount of a substance

• grams
• Avogadro's number
• mass
• mole

6.02 x 10²³

• grams
• Avogadro's number
• mass
• mole

Tags

NGSS.HS-PS1-7

The percent composition of carbon is equal to carbon's atomic mass and has the units g/mol

• True
• False

Benzene (C₆H₆₎ and acetylene (C₂ H ₂) have the same empirical formula but different molecular formulas.

• True
• False

One mole of water contains 6.02 x 10²³ molecules of water.

• True
• False