2 years ago

Need the helps thoooo

Chemistry

2 answers:

Maslowich2 years ago

6 0

Hey dude. It's letter D. Compound. Compounds are composed of two or more separate elements.

tigry1 [53]2 years ago

6 0

I think it is compound.

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How many moles is in 2.52*10^24 molecules of water?

nataly862011 [7]

Hi friend
--------------
Your answer
-------------------

Water = H2O

Number of molecules in one mole of water = 6.022 × 10²³ [Avogadro's constant]

Given number of molecules = 2.52 × 10²³

So,
------

Number of moles =
$\frac{2.52 \times 10 {}^{24} }{6.022 \times 10 {}^{23} } \\ \\ = 4.184 \: (approximately)$

HOPE IT HELPS

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3 years ago