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100
Avocado-Avogadro
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In perfectbalance
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Convert me.
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% % %
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I’m countingon you.
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Column 1, 100
What is Avogadro’s number?
Column 1, 200
How many moles are in 3.31 x 1024 molecules of strontium carbonate (SrCO3)?
Column 1, 300
How many atoms are in 17.0 moles of silver (Ag)?
Column 1, 400
How many moles of magnesium are 1.25 x 1023 atoms of magnesium?
Column1, 500
How many atoms are in 3.65 moles of glucose (C6H12O6)?
Column 2, 100
State the law of conservation of matter.
Column 2, 200
Complete an atom inventory for the following equation, then determine if the equation is balanced or not.
Li2O + H2O 2 LiOH
Column 2, 300
In order to balance this equation, what coefficient must be placed in front of water?
Fe2O3 + H2 → Fe + H2O
Column 2, 400
Show the coefficients used to balance the following chemical equation: H3PO4 + HCl → PCl5 + H2O
Column 2, 500
Show the coefficients used to balance the following chemical equation:
SeCl6 + O2 → SeO2 + Cl2
Column 3, 100
How many moles are in 33 grams of gold (Au)?
Column 3, 200
How many grams are in 7.0 moles of CaSO4?
Column 3, 300
How many moles are in 594.8 grams of (NH4)2SO4?
Column 3, 400
How many moles are present in 352 g of iron (III) oxide, Fe2O3?
Column 3, 500
How many grams are present in 1.43 moles of magnesium hydroxide, Mg(OH)2?
Column 4, 100
What percent of glucose (C6H12O6) is oxygen?
Column 4, 200
What percent of CuCl2 is chlorine?
Column 4, 300
What percent of Al(NO3)3 is nitrogen?
Column 4, 400
What percent of iron(III) hydroxide, Fe(OH)3, is oxygen?
Column 4, 500
Which element makes up the greatest percentage of Al(NO3)3? What percent is that?
Column 5, 100
Calculate the molar mass of C2H4
Column 5, 200
How many atoms are in 3 molecules of AgNO3?
Column 5, 300
Calculate the molar mass of Zn3(PO4)2
Column 5, 400
Find the molar mass of malachite: Cu2CO3(OH)2.
Column 5, 500
What is the molar mass of Paris Green?
Cu(C2H3O2)2·3Cu(AsO2)2
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