High School

How many moles are in 99.9 grams of [tex]C_6H_6O_6[/tex]? (Give your answer to 2 decimal places)

Answer :

The number of mole present in 99.9 grams of C₆H₆O₆ is 0.57 mole

How do I determine the mole of 99.9 g of C₆H₆O₆?

The mole of a substance is related to its molar mass according to the following equation:

Mole = mass / molar mass

With the above formula, we can determine the mole of C₆H₆O₆ as illustrated below:

  • Mass of C₆H₆O₆ = 99.9 grams
  • Molar mass of C₆H₆O₆ = (12 × 6) + (1 × 6) + (16 × 6) = 72 + 6 + 96 = 174 g/mol
  • Mole of C₆H₆O₆ = ?

Mole = mass / molar mass

Mole of C₆H₆O₆ = 99.9 / 174

Mole of C₆H₆O₆ = 0.57 mole

Thus, we can conclude that the mole present in 99.9 g of C₆H₆O₆ is 0.57 mole

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