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Mole quiz

Last updated over 4 years ago
10 questions
Mole Quiz- Test your comprehension on balancing equations, the mole, molar mass, and moles to grams, grams to mole and mole A to mole B conversions. Use your note resources. Use scratch paper and calculators if needed. Above all, write out all steps and units.
1

What is the value of Avogadro's number?

1

A molecule of Al2(SO4)3 contains:

Round atomic masses to the tenth when calculating molar mass.
1

The atomic mass of N is 14.0 g/mol, and the atomic mass of H is 1.0 g/mol. What is the molecular mass of NH3?

In questions with show your work, correct answers without work will lose a point. Incorrect answers, but correct work will be worth 1 pt.
2

What is the molar mass of NaOH?

1

How many grams is 4 moles of NaCl?

2

How many moles is 25.1 g H2O given the molar mass of H2O is 18.0 g/mol?

2

Match the coefficients with the correct subsstance in the following equation: _C4H10 + _O2 -> CO2 + H2O

Draggable itemCorresponding Item
1
O2
2
C4H10
10
CO2
8
H20
4
not used
13
not used
6
not used
1

The reaction 4Fe + 3O2 -> 2Fe2O3 represents

2

How many moles of KCl are produced from 2.5 moles K given the following reaction: 2 K + Cl2 --> 2 KCl?

2

How many moles of NaOH are produced from 1.20 moles of Na2O given the following reaction: Na2O + H2O --> 2 NaOH?