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23 September, 20:25

Mass in grams of 4.26 mol Si

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Answers (2)
  1. 23 September, 23:10
    0
    119.28g

    Explanation:

    Data obtained from the question include:

    Number of mole of Si = 4.26 mol

    Molar Mass of Si = 28g/mol

    Mass of Si = ?

    Number of mole = Mass / Molar Mass

    Mass = number of mole x molar Mass

    Mass of Si = 4.26 x 28

    Mass of Si = 119.28g
  2. 23 September, 23:40
    0
    Answer / explanation:

    Mass in grams of 4.26 mol of Si.

    To calculate this, we use the formula

    Number of mole = mass / molar mass

    Since we are given the number of mole

    Number of mole = 4.26mol

    Mass = ? g

    Molar mass of Si = 28.0855g/mol

    4.26mol = mass / 28.0855g/mol

    By cross multiplication,

    Mass = 4.26 * 28.0855

    = 119.644g

    Therefore, the number of mass in gram of Si is 119.644g
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