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Irina18 [472]
2 years ago
9

Formulación del dióxido de cobalto

Chemistry
1 answer:
Svetlanka [38]2 years ago
4 0

Answer:

Co2O3 esa es la formula creo espero que te sirva

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the mass of  1  mole of phosphorus atoms is approximately  30 g

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Need help answering
svp [43]

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Your answer would be E

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Transition metals can be found in Families 3 through 12 on the periodic table. What property do transition metals share?
Vedmedyk [2.9K]
The answer might be C
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Which example is an exothermic reaction?
ratelena [41]

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2 years ago
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If you start with 0.020 g of Mg, how many moles of H2 will you make if the reaction is complete?
irina [24]

If one starts with 0.020 g of Mg, 0.0008 moles of H2 would be made if the reaction is complete.

Going by the balanced equation of reaction in the image, 1 mole of Mg will produce 1 mole of H2 in a complete reaction.

If 0.020 g of Mg is started with:

mole of Mg = mass/molar mass

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Since the mole of Mg to H2 is 1:1, thus, 0.0008 moles of H2 will also be made from the reaction.

More on stoichiometry can be found here: brainly.com/question/9743981

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