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How many moles of iron atoms does a 27 g sample contain?
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mols = grams/atomic mass
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can some one help me with a few chem questions please.
A chunk of iron weighs 4.32 g. a) How many iron atoms are there in this
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A chunk of iron weighs 4.32 g. a) How many iron atoms are there in this sample? 55.85 g Fe = 1.00
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have ten moles of iron atoms in the reactant side of a reaction. Do I have enough information to determine how many moles of
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To determine the number of moles of iron atoms you will have following the reaction, you need to
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If I have 8 moles of Iron atoms in the products, how many moles of iron atoms did I start with?
8** 16 1 Not enough information
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This answer is correct. The Law of Conservation of Mass states that the total mass of the reactants
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A sample of ammonium phosphate(NH4)3PO4 contains 3.18 moles of hydrogen atoms. The number of moles of oxygen atoms in the sample
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1.06
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If I have 8 moles of Iron atoms in the products, how many moles of iron atoms did I start with?
8 16 1 Not enough information
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Not enough information.
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A sample of ammonium phosphate (NH4)3PO4 contains 3.18 moles of hydrogen atoms then the on. of moles of oxygen atoms in the
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3.18 mol H x (4 mols O/12 mol H) = ?
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A sample of H2O contains 7.2 x 10 24 atoms. How many moles of water are in this sample?
Responses 6.02 moles 6.02 moles 11 moles
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To determine the number of moles in a sample, you can use Avogadro's number, which states that there
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How many moles of iron(iii) chloride could be made with an unlimited supply of iron atoms but only 1.81 X 10e23 chlorine atoms?
Top answer:
1.81E23 Cl atoms/6.02E23 = ? mols Cl atoms You can make 1/3 of that number of FeCl3 moles.
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Mass of this sample = 3.2 g
1. Iron is... a) An element composed of atoms b) An element composed of diatomic molecules c) An
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1 is a. 2. mols = grams/atomic mass = ?
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A sample of propane, C3H8, contains 18.0 moles of carbon atoms. How many total moles of atoms does the sample contain?
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Well, let's see... Propane, C3H8, consists of 3 carbon atoms and 8 hydrogen atoms. So, if we have
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