Unit 6-1 And 6-2 Review Question Preview (ID: 55559)
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How many moles are in 24 grams of Carbon?
a) 2
b) 1
c) 4
d) 3
How many atoms are in 28 grams of Silicon?
a) 2 x 10^23
b) 3.01 x 10^23
c) 6.02 x 10^23
d) 1.204 x 10^23
How many grams are in 2.5 moles of Neon?
a) 0.125 moles
b) 20 moles
c) 25 moles
d) 50 moles
What is the molar mass of a substance that is 250 moles in 25 grams
a) 0.1 g/mol
b) 10 g/mol
c) 5 g/mol
d) 6250 g/mol
How many grams are in 1.204 x 10^23 atoms of carbon?
a) 2.4 grams
b) 0.2 grams
c) 20 grams
d) 12 grams
How many particles are in 200 grams of CaCO3 calcium carbonate?
a) 3.01 x 10^23 particles
b) 6.02 x 10^23 particles
c) 1.204 x 10^23 particles
d) 1.804 x 10^24 particles
How many grams are in 2 moles of H2O water?
a) 4.5 grams
b) 9 grams
c) 18 grams
d) 36 grams
What is the molar mass of Na2(CO3)?
a) 106 grams/mole
b) 92 grams/mole
c) 90 grams/mole
d) 53 grams/mole
How many grams in 1.806 x 10^24 particles of LiCl?
a) 112 grams
b) 126 grams
c) 3 grams
d) 6 grams
What is the empirical formula for C8H22O14?
a) C8H22O14
b) C2H11O5
c) C4H11O7
d) C2H11O7
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