Question

#Hello Brainlians!!
Solve this Question.

1) Which of yhe following correctly represents 360g of water?

(i) 2 moles of water.
(ii) 20 moles of water.
(iii) 6.022×10²³ molecules of water.
(iv) 1.2044×10²⁵ molecules of water.

Now take a look at the options.
(a) (i)
(b) (i) and (iv)
(c) (ii) and (iii)
(d) (ii) and (iv)

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☆ No direct answer, Explanation needed too.

☆ Quality answers will be marked as Brainliest.

# Best of luck Guys #

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Answer 1

Answer:

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Explanation:

(ii) From point, 1 mole of water = molar mass of water =18g 20 moles of water = 18 g x 20 = 360g (iv) From point, 6.022 x 1023 molecules of water = 1 mole = 18g of water 1.2044 x 1025 molecules of water Therefore, points (ii) and (iv) represent 360 g of water.

Answer 2

Answer:

Correct option is

D

(ii) and (iv)

Explanation:

The molar mass of water is 18 g/mol.

360 g of water corresponds to

18g/mol

360g

=20mol.

It is also equal to 20mol×6.023×10

23

molecules/mol=1.2044×10

25

molecules.

Thus, the options (ii) and (iv) correctly represents 360 g of water.

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