Moles Question Preview (ID: 58933)


Calculating Number Of Moles From Mass And Vice Versa. TEACHERS: click here for quick copy question ID numbers.

Calculate the number of moles in 146.25 g of sodium chloride (NaCl)
a) 0.4
b) 2.5
c) 58.5
d) 8570.25

Calculate the number of moles in 50 g of calcium carbonate (CaCO₃‌)
a) 0.5
b) 2
c) 500
d) 5000

Calculate the number of moles in 24 g of carbon (C)
a) 0.5
b) 1
c) 2
d) 288

Calculate the number of moles in 64 g of oxygen (O₂)
a) 0.5
b) 2
c) 4
d) 2048

Calculate the number of moles in 7 g of nitrogen (N₂)
a) 0.25
b) 0.5
c) 2
d) 4

Calculate the mass of 0.4 moles of NaCl
a) 0.007
b) 2
c) 23.4
d) 146.25

Calculate the mass of 3.2 moles of calcium carbonate (CaCO₃‌)
a) 0.032
b) 3.2
c) 32
d) 320

Calculate the mass of 1.2 moles of carbon (C)
a) 0.1
b) 1
c) 10
d) 14.4

Calculate the mass of 0.6 moles of oxygen (O₂)
a) 0.02
b) 3
c) 19.2
d) 53.3

Calculate the mass of 2.3 moles of nitrogen (N₂)
a) 0.07
b) 0.16
c) 32.3
d) 64.4

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