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How many moles of H20 are in 12.4 g H20?​

1 Answer

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Answer:

12.4g of water has 0.689 moles of water.

Step-by-step explanation:

Molar weight of
H_(2)O = 16 + 2 = 18g

One mole of
H_(2)O weighs 18g.


18g\longrightarrow1\:mole\:of\:H_(2)O\\12.4g\longrightarrow(12.4)/(18)=0.689\:moles\:of\:H_(2)O

Hence, 12.4g of water has 0.689 moles of water.

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