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7 February, 23:46

Calculate the total mass of these letters in grams (mxe=131.29amu)

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  1. 8 February, 00:46
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    We know avogadro's number = 6.023 x 10²³

    1 amu = 1 atomic mass unit = 1 / (6.023 x 10²³) gm = 1.66 x 10⁻²⁴grams

    Now, to convert amu to grams,

    131.29 amu = 131.29 x 1.66 x 10 ⁻²⁴grams

    = 2.18 x 10 ⁻²² grams is the answer
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