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Stoich Review 1

Authored by Erica Sobanski

Chemistry

10th - 12th Grade

NGSS covered

Used 1+ times

Stoich Review 1
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15 questions

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1.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

How many moles are in 19.82 g Mg? 

1.226mol Mg
481.7mol Mg
1.000mol Mg
 0.8156 mol Mg

2.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Determine the molar mass for carbon tetrachoride (CCl4).

153.823 g/mol

118.37 g/mol

189.35 g/mol

47.464 g/mol

3.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the molar mass of PbSO4

303.3 g/mol
294.7g/mol
163.8g/mol
372g/mol

4.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

What is the molar mass of Zn(C2H3O2)2

392.8g/mol
142.9g/mol
361g/mol
183.5 g/mol

5.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Media Image

Is this equation balanced?

yes
no
Not enough information

6.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Is the equation balanced?: 2H2O + O2 --> 4MgO + 3Fe

Yes
No

7.

MULTIPLE CHOICE QUESTION

15 mins • 1 pt

Balance this equation
_Al +_HCl --> _H+_AlCl3

2, 6, 3, 2
it is already balanced
4, 12, 3, 4
2, 1, 4, 5

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