calculate the number of moles in 20g of sodium hydroxide.[NaOH]

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calculate the number of moles in 20g of sodium hydroxide.[NaOH]

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Everleigh 1 month 2021-09-17T07:57:53+00:00 1 Answer 0 views 0

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    2021-09-17T07:59:41+00:00

    Answer:

    ▶Number of moles in 20g of NaOH = 2.

    Step-by-step explanation:

    Given that,

    • Mass of NaOH = [(23 + (16 × 1)] ▶39 \mu
    • Mass of one mole NaOH = 20g

    As we know that,

    Number of moles = Mass of substance / Mass of one mole.

    ▶Number of moles = 39 / 20

    {\red{\sf{\underbrace{Number\: of \:moles\: = \:1.95 \:\approx\: 2.}}}}

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