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Basile [38]
3 years ago
5

When oxygen and aluminum form an ionic compound, what is the formula? O2Al3 O3Al2 A3O2 Al2O3

Chemistry
1 answer:
Svet_ta [14]3 years ago
5 0
The Answer is Al203 Have a very nice day
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Given the balanced equation:
Aliun [14]

Answer:

0.4

Explanation:

Given data:

Number of moles of SrCl₂ consumed = ?

Mass of ZnCl₂ produced = 54 g

Solution:

Chemical equation:

ZnSO₄ + SrCl₂    →    SrSO₄ +  ZnCl₂

Number of moles of ZnCl₂:

Number of moles = mass/ molar mass

Number of moles = 54 g/136.3 g/mol

Number of moles = 0.4 mol

Now we will compare the moles of  ZnCl₂ with SrCl₂  from balance chemical equation.

                          ZnCl₂              :             SrCl₂

                              1                  :                1

                           0.4                 :              0.4

Thus when 54 g of  ZnCl₂ produced 0.4 moles of SrCl₂ react.

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3 years ago
A science class did an experiment in which two substances were mixed. After 15 minutes, everything looks the same, but the stude
valentinak56 [21]

Answer:

C a chemical reaction formed

Explanation:

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2 years ago
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Name the following cycloalkane:
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B is the correct answer

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A natural resource from the <br>Earth that exists in limited Supply
GrogVix [38]
Oil, we are using it too fast for it to regenerate.
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Lithium reacts spontaneously with bromine to produce lithium bromide. Write the balanced chemical equation for the reaction. (Us
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The reaction equation is:
Li + Br → LiBr

39 grams of Li = 39 / 7 = 5.57 moles of lithium
41.5 grams of Br = 41.5 / 80 = 0.52 mole of bromine
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