Nanograms to grams/mole?

You have 10 ng of a 1kb DNA fragment. On this gel you have two 1kb DNA fragments. What is the molecular mass of the fragments if a 1kb DNA fragment is 6x10^5 g/mol.

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  • Vansig
    Lv 6
    1 decade ago
    Favorite Answer

    something about this question seems awkward. i'll assume what you're saying is, each of the two fragments you have is ~10 ng.

    then,

    2 fragments x 10x10^(-9) g / fragment = 20x10^(-9) g;

    20x10^(-9) g x 6x10^5 g/mol = 3.33 x 10^(-14) mol.

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