Calculator Practice And Molar Conversions Question Preview (ID: 46343)


Practice Calculations With Scientific Notation And Molar Conversions. TEACHERS: click here for quick copy question ID numbers.

Solve the following calculation: (1.25x10^23 atoms Mg)(1 mol Mg / 6.02x10^23 atoms Mg)
a) 217302 mol Mg
b) 0.21 mol Mg
c) 21 mol Mg
d) 2.08x10^45 mol Mg

Solve the following calculation: (60 g Ne)(1 mol Ne / 20.2 g Ne)(6.02x10^23 atoms Ne / 1 mol Ne)
a) 1.79x10^24 atoms Ne
b) 1.79 mol Ne
c) 17.9 atoms Ne
d) 179 g Ne

Solve the following calculation: (3.24x10^22 atoms Al)(1 mol Al / 6.02x10^23 atoms Al)(27 g Al / 1 mol Al)
a) 1.45x10^46 atoms Al
b) 145 g Al
c) 1.45 g Al
d) 1.45x10^46 g Al

Solve the following calculation: (3.2 mol C)(6.02x10^23 atoms C / 1 mol C)
a) 193 atoms C
b) 1.93x10^24 atoms C
c) 1.93 atoms C
d) 1.93 mol C

How many moles are there in 7.5x10^23 atoms of sulfur?
a) 1.25x10^46 mol S
b) 12.5 mol S
c) 1.25 mol S
d) 2.34x10^22 mol S

How many moles are there in 450 grams of sodium?
a) 19.57 mol Na
b) 1.96 mol Na
c) 10350 mol Na
d) 0.1957 mol Na

How many grams are there in 2.3x10^24 atoms of silver?
a) 41.2 g Ag
b) 4.12x10^48 g Ag
c) 412 g Ag
d) 1.45x10^46 g Al

How many grams are there in 9.4x10^25 molecules of hydrogen gas?
a) 157 g hydrogen gas
b) 315 g hydrogen gas
c) 1.57x10^48 g hydrogen gas
d) 3.15x10^48 g hydrogen gas

How many grams are there in 4.5 moles of barium nitrite?
a) 1032 g barium nitrite
b) 824 g barium nitrite
c) 1976 g barium nitrite
d) 680 g barium nitrite

How many molecules are there in 9.34 grams of dihydrogen monoxide?
a) 312 molecules dihydrogen monoxide
b) 3.12 molecules dihydrogen monoxide
c) 0.518 molecules dihydrogen monoxide
d) 3.12x10^23 molecules dihydrogen monoxide

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