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13 February, 00:03

How many hydrogen ions are in 1 liter of stomach acid? (Hint: Avogadro's number). Show your work and remember to put your answer in regular number form (NOT scientific notation).

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  1. 13 February, 00:13
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    1 200 000 000 000 000 000 000 000 H⁺ ions

    Step-by-step explanation:

    Assume that the concentration of H⁺ ions in stomach ions is 2.0 mol·L⁻¹.

    Then, we have 2.0 mol of H⁺ ions

    There are 6.02 * 10²³ H⁺ ions in 1 mol.

    2.0 mol = 2.0 * 6.022 * 10²³/1

    = 1.2 * 10²⁴ H⁺ ions

    = 1 200 000 000 000 000 000 000 000 H⁺ ions
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