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22 January, 16:12

Hydrochloric acid has the chemical formula HCl. A certain quantity of hydrochloric acid has 2.39x1024 atoms. How many moles of hydrochloric acid is the sample?

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  1. 22 January, 16:24
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    Answer: 3.97 moles HCl

    Explanation: Solution:

    2.39x10²⁴ atoms HCl x 1 mole HCl /

    6.022x10²³ atoms HCl

    = 3.97 moles HCl
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