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Margaret [11]
3 years ago
8

How has scientists' understanding of the atoms changed over time?

Chemistry
1 answer:
Viefleur [7K]3 years ago
8 0
They discovered more and more objects with different numbers of atoms. which gave them a better understanding
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How many moles of KBr will be produced from 10.51 moles of BaBr2?
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Answer:

21.02moles of KBr

Explanation:

Parameters given:

Number of moles BaBr₂ = 10.51moles

Complete reaction equation:

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Upon inspecting the given equation, we find out that the atoms are not balanced on both sides of the equation:

        The balanced equation is:

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∴   10.51 moles of BaBr₂ will yield (2 x 10.51) moles = 21.02moles of KBr

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