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WorksheetsMoles 1
Total questions: 8
Worksheet time: 16mins
Name
Class
Date
1.
One (a) of an element contains 6.02 x 1023 atoms.
2.
How many moles of iron are found in 25 g of iron?
(a)
3.
How many moles of iron are found in 4.2 x 1022 atoms of iron?
(a)
4.
What is the mass of 2.7 moles of sulfur?
(a)
5.
What is the mass of 5.75 x 1023 atoms of helium?
(a)
6.
1 mole of phosphorus has a mass of (a) grams.
7.
Imagine you have equal mass samples of two elements. Which sample will contain more moles?
a)
the element with the larger molar mas
b)
the element with the smaller molar mass
c)
both samples have the same number of moles.
8.
Imagine you have 1-mole samples of two elements. Which one has more atoms?
a)
the one with the larger molar mass
b)
the one with the smaller molar mass
c)
both samples have the same number of atoms.
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