Garden nemesis
Parts is parts
Just a cracker
Pot Pouri
100

This number defines the number of particles in one mole.

What is Avogadro's number, 6.022 x 1023?

100

Atoms, compounds and molecules could all be considered this.

What are particles?

100

2.0 moles of hydrogen weighs this much.

What is 2.016 g?

100

The percent composition of oxygen in CO2.

What is 72.7%?

200

22.4 L / mol is use as a conversion factor only for this.

What is a gas at STP?

200

The number of particles in 3.5 moles of helium (He).

What is 2.11 x 1024 particles?

200

The molar mass of H2CO3 is this much.

What is 62.024 g?

200

The empirical formula for C6H12O2.


What is C3H4O?

300

The average atomic mass on the periodic table indicates this.

What is the mass in grams per mole of the element.

300

3.45 x 1024 particles is this many moles.

What is 5.73 mol?

300

The heavier of the two of these is ...

3.5 mol of iodine (I)

3.0 mole of NaF

What is 3.5 mol of iodine?

300

A compound is found to contain 50.05% sulfur and 49.95% oxygen by weight. This is the empirical formula for that compound.

What is SO2?

400

The unit for molar mass is this.

What is g/mol?

400

3 moles of CH4 has this many hydrogen atoms.

What is 2.41 x 1024 hydrogen atoms?

400

250.0 g of MgO is this many moles.

What is 6.20 mol?

400

A compound with the empirical formula of C10H7O2 and has a molar mass of 318.31 g. This is the molecular formula of the compound.

What is C20H7O4?

500

5 moles of CO2 has this many moles of oxygen.

What is 10?

500

The larger of the two of these is ...

3.25 mol of NaCl

2.00 x 1024 particles of HCl

What is 2.00 x 1024 particles of HCl?

500

5.40 x 1024 particles of Al2O3 weighs this much. 

What is 914.3 g?
500

A compound that contains 28.2% nitrogen, 20.8% phosphorous, 8.1% hydrogen and 42.9% oxygen. This is the empirical formula for this compound.

What is N3H12PO4 or (NH4)3PO4


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