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Alex
3 years ago
5

A latch on a desk drawer has two magnets designed to attract each other and keep the door shut. However, the magnets repel each

other on your desk. Can this be fixed? If so, how?
A) It cannot be fixed in any way.
B) It can be fixed by turning both magnets around.
C) It can be fixed by removing one of the magnets.
D) It can be fixed by turning one of the magnets around.
Chemistry
2 answers:
Sindrei [870]3 years ago
7 0

Answer:D

Explanation:

wariber [46]3 years ago
6 0
The answer would be D
Hope this helped
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<u>Answer:</u> The mass of phosphorus that is present for given amount of calcium is 28.53 g.

<u>Explanation:</u>

We are given:

Mass of calcium = 50 grams

The chemical formula of calcium phosphate is Ca_3(PO_4)_2

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In 1 mole of calcium phosphate, 120 grams of calcium is combining with 62 grams of phosphorus.

So, 50 grams of calcium will combine with = \frac{62}{120}\times 50=28.53g of phosphorus.

Hence, the mass of phosphorus that is present for given amount of calcium is 28.53 g.

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