
11 EM MOLE CONCEPT
Authored by Arun Bharath
Chemistry
11th Grade
Used 2+ times

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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A mole of Neon contains
6.02 x 1023 _____.
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many molecules are in 2.00 moles of H2O?
124x1024 molecules of H2O
1.20x1023 molecules of H2O
12.04 x1023 molecules H2O
124
3.
MULTIPLE CHOICE QUESTION
2 mins • 1 pt
How many atoms of iodine are in a mole of iodine?
4.
MULTIPLE CHOICE QUESTION
20 sec • 1 pt
How many gram is 0.5 mol of Copper atoms? (Cu:63,5g/mol)
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
How many Mg 2+ ions are found in 1.00 mol of MgO?
3.01 x 10 ^23
12.04 x 10 ^23
6.02 x 10 ^23
6.02 x 10 ^25
6.
MULTIPLE CHOICE QUESTION
5 mins • 1 pt
What is the molar mass of NaCl?
58.45g/mol
28g/mol
12g/mol
6.02 x 1023
7.
MULTIPLE CHOICE QUESTION
3 mins • 1 pt
Calculate the % composition by mass of oxygen present in H2SO4.
16.3%
65.25%
32.6%
57.14%
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