How many moles are there in 990 grams of sugar, C12H22011? (Sig Figs, do not

include units) *

Your answer

Number of moles = 2.89 mol

Explanation:

Given dа ta:

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