Stoichiometry

Front

The mass of one mole of substance is called...

Back

molar mass

Front

How many particles are in a mole?

Back

6.02 x 10²³

Front

Which would have more atoms? 1 mole of Li, 1 mole of Au, 1 mole of Si, or None, all are equal.

Back

None, all are equal

Front

N₂ + 3H₂ --> 2NH₃
How many moles of N₂ is needed to react with 6 moles of H₂?

Back

2.0

Front

Where are the numbers for a mole ratio found?

Back

They are found as coefficients in the reaction's balanced chemical equation.

Front

The number 6.02 x 10²³ is called...

Back

Avogadro's number

Front

How many particles would be in 8.4 moles of Octane (C₈H₁₈)? Options: 5.77 x 10²³, 5.04 x 10²⁴, 5.77 x 10²⁶, 5.04 x 10²³

Back

5.04 x 10²⁴

Front

2H₂ + O₂ --> 2H₂O. How much O₂ is required to fully react 12 g of H₂? Options: 95 g, 12 g, 6 g, 48 g.

Back

95 g

Front

Calculate the molar mass for Al(OH)₃

Back

78.0 g/mol

Front

Calculate the molar mass of NH₄NO₂

Back

64 g/mol