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padilas [110]
3 years ago
9

The prefix ‘kilo-‘ means a thousand. So a kilo-gram is a thousand grams. 1 kilogram = 1,000 grams. How many kilograms is 831 gra

ms? Round your answer to the nearest tenth of a kilogram.
Chemistry
1 answer:
Alja [10]3 years ago
5 0
To find the amount of kilograms, you would divide 831 by 1000. 831/1000= 0.831. Round this to the nearest tenth place and the answer is 0.8 kg.
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Answer:

6.43 moles of NF₃.

Explanation:

The balanced equation for the reaction is given below:

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From the balanced equation above,

3 moles of F₂ reacted to produce 2 moles of NF₃.

Finally, we shall determine the number of mole of nitrogen trifluoride (NF₃) produced by the reaction of 9.65 moles of Fluorine gas (F₂). This can be obtained as follow:

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3 moles of F₂ reacted to produce 2 moles of NF₃.

Therefore, 9.65 moles of F₂ will react to to produce = (9.65 × 2)/3 = 6.43 moles of NF₃.

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