jaxsonchristian5 jaxsonchristian5
  • 02-04-2020
  • Chemistry
contestada

How many moles are there in 990 grams of sugar, C12H22011? (Sig Figs, do not
include units) *
Your answer

Respuesta :

Neetoo
Neetoo Neetoo
  • 08-04-2020

Answer:

Number of moles = 2.89 mol

Explanation:

Given data:

Number of moles of sugar  = ?

Mass of sugar = 990 g

Solution:

Formula:

Number of moles = mass/molar mass

Molar mass of C₁₂H₂₂O₁₁:

12× 12 + 22×1.008 + 16×11 = 342.2 g/mol

Number of moles = 990 g / 342.2 g/mol

Number of moles = 2.89 mol

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