Unit 6-1 And 6-2 Review Question Preview (ID: 55559)


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How many grams in 1.806 x 10^24 particles of LiCl?
a) 112 grams
b) 126 grams
c) 3 grams
d) 6 grams

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 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 1.204 x 10^23 atoms of carbon?
a) 2.4 grams
b) 0.2 grams
c) 20 grams
d) 12 grams

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 2.5 moles of Neon?
a) 0.125 moles
b) 20 moles
c) 25 moles
d) 50 moles

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 moles are in 24 grams of Carbon?
a) 2
b) 1
c) 4
d) 3

What is the empirical formula for C8H22O14?
a) C8H22O14
b) C2H11O5
c) C4H11O7
d) C2H11O7

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