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vazorg [7]
3 years ago
6

What is the mole fraction of NaBr in

Chemistry
1 answer:
julsineya [31]3 years ago
4 0

Answer:

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How many valence electrons are transferred from the calcium atom to iodine in the formation of the compound calcium iodide?
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Answer:2

Explanation:because the compound is CaI2, Ca needs to lose 2 electrons and I needs to gain 1 electron to reach an octet and so there will be 2 I atoms therefore 2 electron transfer

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Which property is common to noble gases?
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The answer is B- Low reactivity.
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The reaction for producing glucose in plants, called photosynthesis, is:
Firlakuza [10]

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41.16 moles of H2O

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Ratio for the products-reactants is 1:6, so 1 mol of glucose is produced when plants use 6 moles of water.

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6.86 moles of glucose are produced by the use of (6 . 6.86)/1 = 41.16 moles of H2O

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3 years ago
A solution has a pH of 2.5. What is its [OH-] ?
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