WorksheetsHW Stioch Post break Quizzizz
Total questions: 20
Worksheet time: 42mins
How many molecules are there in 5.9 moles of NaCl?
3.5x1024 molecules
9.80x10-24 molecules
1.02x1023 molecules
6.02x1023 molecules
How many moles are present in 32.3 grams of carbon dioxide (CO2)?
44.0 moles
1420 moles
32.3 moles
0.734 moles
You have 2 moles of graphite (KC8) in your pencil. How many grams of graphite are in your pencil?
135.19 g
270.37 g
67.59 g
134 g
What is Avogadro's number?
6.022 x 10^23
6.022 x 10^25
6.022 x 10^24
6.022 x 10^22
How many moles are there in 25 grams of iron (Fe)?
0.223
0.670
0.894
0.447
How many grams are in 2.3 moles of aluminum?
62.05 g
0.08 g
1.30 g
1.38 x 10^24 g
Find the molar mass of CaCO3
100.09g
100g
100.2g
101g
Find the number of moles in 75 grams of NaHCO3
89mol
0.90mol
0.89mol
84mol
silicon dioxide
SO2
NaO2
SiO2
SiO
The name of FeCl₂ is
iron chloride
iron (II) chloride
iron (I) chloride
iron dichloride
Which of these combinations is an ionic compound made of?
Metal and Metal
Nonmetal and Nonmetal
Metal and Nonmetal
Cation and Cation
Name the following ionic compound: BeCl2
beryllium chlorine
beryllium II chloride
beryllium chloride
beryllium dichloride
