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ira [324]
3 years ago
9

When 2 or more elements bond together in definite proportions they form a?

Chemistry
1 answer:
Elena L [17]3 years ago
6 0
The answer is compound.
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Aluminum oxide solube or insolube​
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Answer:

Reaction with water: Aluminum oxide is insoluble in water and does not react like sodium oxide and magnesium oxide.

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Please help The sun uses nuclear fusion to generate its energy. In the very distant future, the sun will eventually run out of f
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A

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The answer of this problem is 3,500
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__Na3PO4 + __Sr(NO3)2 --&gt; ___Sr3(PO4)2 + __NaNO3
lisov135 [29]

Answer:

0.0526mol

Explanation:

The chemical equation given in this equation is as follows:

Na3PO4 + Sr(NO3)2 → Sr3(PO4)2 + NaNO3

However, this equation is unbalanced as the number of atoms of each element on each side does not correlate. The balanced equation is as follows:

2Na3PO4 + 3Sr(NO3)2 → Sr3(PO4)2 + 6NaNO3

This balanced equation means that:

2 moles of Sodium Phosphate (Na3PO4) is required to react with 3 moles of Strontium Nitrate (Sr(NO3)2)

Hence, if 0.0789 moles of Strontium Nitrate are reacted, then 0.0789 × 2/3

moles of sodium phosphate will also react.

= 0.0789 × 2/3

= 0.1578/3

= 0.0526mol

5 0
3 years ago
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