Elements and Compounds

# If the first reaction used 0.5 g of copper then how many grams of copper will be produced in the last reaction?

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###### Wiki User

Depends on what the last reaction is. And probably what the first reaction was too. Insufficient information in the question.

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## Related Questions

Nothing is produced, 500g potassium chlorate will be the same 500 g potassium chlorate after reaction. Actually there is no reaction at all.

Following the Law of Conservation of Mass (see link below), there will be 20 grams of products in a reaction of 20 grams of reactions.

Balanced equation first. N2 + 3H2 &gt;&gt; 2NH3 (hydrogen is limiting and drives the reaction ) 3.41 grams H2 (1mol/2.016g )(2mol NH3/3mol H2 )(17.034g NH3/1mol NH3 ) = 19.2 grams of ammonia produced ( this is called the Born-Haber process )

There shouldn't be any copper in eight grams of gold! Unless it's a copper/gold alloy.

No one can answer your question since you haven't shown the reaction equation. The reaction equation is needed so that the ratio of oxygen to nitrous oxide is known.

Balanced equation first. ( hydrogen limits, which saves that work! ) N2 + 3H2 &gt;&gt; 2NH3 3.5 grams hydrogen gas (1 mole H2/2.016 g)(2 mole NH3/3 mole H2)(17.034 grams/1 mole NH3) = 19.7, or 20 grams of NH3 produced

How many grams of NH3 can be produced from 2.08 grams of N2

The molecular weight of NH3 is 17.03-grams per mole and 14.01 for N2. The reaction is N2 + 3H2 = NH3. Therefore for every 1-mole of N2 as a reactant 1-mole of NH3 is produced. .2941-moles of NH3 is produced with a mass of 5.01-grams.

The easiest way to solve these problems is to use what is called a unit multiplier. First begin with the number of grams of copper that you have, then use the unit multiplier that expresses the number of grams per mole of copper (this is the number that corresponds to the atomic mass on the periodic table times grams, divided by moles). Then use the number of copper atoms that it takes to create copper oxide; this will depend on the oxidation state of the copper. Finally it reverse the process by adding up the atomic masses of copper oxide, and that will be the number of grams per mole of copper oxide, returning you from Moles back to Grams.

10 grams of copper can kill you. But copper sulphate won't kill you. So don't freak out!

Those are 95 percent copper. A US penny weighs 3.11 grams. Of that, 2.9545 grams is copper.

The mass in grams of 3,20 moles of copper is 158,865 g.

35 grams X 80 dollars/ 14 grams = 200. The cost of 35 grams of copper would cost \$200 according to the given information.

A penny weighs 2.5 grams and is 2.5% copper. Therefore, there is2.5 grams &Atilde;&mdash; .025 = .0625 grams of copper in a pennyThen you convert grams to atoms with the molecular weight of copper and Avogadro's constant.0625 grams &Atilde;&middot; 63.5 grams/mol &Atilde;&mdash; (6.02 &Atilde;&mdash; 1023 atoms) &Atilde;&middot; 12 in one dozen = 4.94 &Atilde;&mdash; 1019 dozens of copper atoms

28.0 grams copper (1 mole Cu/63.55 grams)(6.022 X 1023/1 mole Cu) = 2.65 X 1023 atoms of copper ======================

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