Quiz on Formula Mass and Mole Concept
Authored by Solomon Yayeh
Chemistry
University
Used 1+ times
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30 questions
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1.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the molecular mass (amu) for of chloroform (CHCl3)
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2.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the molecular mass (amu) for aspirin molecule, C9H8O4
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3.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the molecular mass (amu) for Ibuprofen, C13H18O2.
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4.
OPEN ENDED QUESTION
3 mins • 1 pt
What is the formula mass (amu) of Aluminum sulfate, Al2(SO4)3?
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5.
OPEN ENDED QUESTION
3 mins • 1 pt
calculate moles of atoms and number of atoms in 4.7 g of sample potassium?
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6.
OPEN ENDED QUESTION
3 mins • 1 pt
A liter of air contains 9.2 × 10−4 mol argon. What is the mass of Ar in a liter of air?
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7.
OPEN ENDED QUESTION
3 mins • 1 pt
Copper is commonly used to fabricate electrical wire. How many copper atoms are in 5.00 g of copper wire?
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