Stoichiometry Mass and Mole Calculations

Quiz
•
Science
•
10th Grade
•
Hard
Standards-aligned
Lisa Thompson
FREE Resource
15 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the total mass, in grams, of a 0.75 mole sample of SO2?
16 g
24 g
32 g
48 g
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Calculate the mass of iron in a sample of iron ore containing 2.61x1023 iron atoms.
0.433g
24.2g
44g
6.02g
Tags
NGSS.HS-PS1-7
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Balance this equation
_Zn+_HCl-->_ZnCl2 +_H2
1,1,2,1
1,1,1,2
1,2,1,1
2,1,1,1
Tags
NGSS.HS-PS1-7
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
KNO3 --> KNO2 + O2
What coefficients are needed to balance the reaction?
2, 2, 1
2, 3, 2
1, 2, 2
1, 3, 1
Tags
NGSS.HS-PS1-7
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
4.0 moles of H2O would have what mass?
72 g
23 g
68 g
Tags
NGSS.HS-PS1-7
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
How many grams are in 7.8 moles of NaCl?
476grams
460 grams
452 grams
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
What is the molar mass of NaOH?
368 g/mole
40 g/mole
57 g/mole
Tags
NGSS.HS-PS1-7
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