Chemistry Basics: Moles and Equations

How many atoms of carbon (C) are in C₆H₁₂O₆?

• 3
• 6
• 12
• 24

Tags

NGSS.MS-PS1-1

CO + ___H₂ --> CH₄ + H₂O

• 1

• 2

• 3

Tags

NGSS.HS-PS1-7

2NaCl + CaO --> ___Na₂O + CaCl₂

• 1

• 2

• 3

4Ag + O₂ --> ___Ag₂O

• 1

• 2

• 3

Tags

NGSS.HS-PS1-7

___AlBr₃ + 3Cl₂ --> 2AlCl₃ + 3Br₂

• 1

• 2

• 3

Tags

NGSS.HS-PS1-7

2Al + ___Cl₂ --> 2AlCl₃

• 1

• 2

• 3

Tags

NGSS.MS-PS1-5

___Pb + S --> PbS + Pb

• 1

• 2

• 3

Tags

NGSS.HS-PS1-7

Balance this equation

_N₂ + _H₂ --> _NH₃

• 1,2,3

• 1,3,2

• 1,1,2

Tags

NGSS.HS-PS1-7

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

The mass of one mole of an element is equal to

• its atomic number from the periodic table, but in amus.

• its atomic mass from the periodic table, but in amus.

• its atomic mass from the periodic table, but in grams.

• its atomic number from the periodic table, but in grams.