Grade 11 Chemistry: Mole Conversions
A comprehensive worksheet for Grade 11 Chemistry students covering mole conversions, molar mass, and Avogadro's number.
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Grade 11 Chemistry: Mole Conversions
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Read each question carefully and provide your answers in the space provided. Show all your work for calculations.
1. Avogadro's number is equal to particles/mol.
2. The mass of one mole of a substance is called its .
3. To convert from moles to grams, you must by the molar mass.
1. How many moles are in 22.0 g of CO2? (Molar mass of CO2 = 44.01 g/mol)
0.50 mol
1.0 mol
2.0 mol
44.01 mol
2. Which of the following represents Avogadro's number?
6.022 x 10^23
1.0 x 10^23
6.022 x 10^22
12.01 x 10^23
1. Calculate the molar mass of H2SO4. (Atomic masses: H=1.01, S=32.07, O=16.00)
2. How many atoms are in 3.0 moles of Aluminum (Al)?
1. One mole of any substance contains the same number of particles.
True
False
2. The molar mass of an element is numerically equal to its atomic mass.
True
False
Use the periodic table element box to help you calculate the molar mass of the following compounds:
a. NaCl
b. C6H12O6
c. Fe2O3
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