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20 December, 08:28

How many grams of titanium are in an instrument gear with 5.74 x 10^22 atoms of Ti?

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  1. 20 December, 08:37
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    The number of grams of titanium that are in an instrument gear with 5.74 x10^22 atoms of Ti are calculated as below

    find the number of moles of Ti that are in 5.74 x10^22 atoms

    by use of Avogadro law constant, that is 1 mole = 6.02 x10^23 atoms

    what about 5.74 x10^22 atoms

    by cross multiplication

    (1mole x5.74 x10^22 atoms) / 6.02 x10^23 atoms = 0.0953 moles

    mass of Ti = moles of Ti molar mass of Ti

    that is 0.0953 moles x 47.87 g/mol = 4.562 grams of Ti
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