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11 August, 17:04

For the reaction represented by the equation 2na + cl2® 2nacl, how many grams of chlorine gas are required to react completely with 2.00 mol of sodium?

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  1. 11 August, 17:15
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    The reaction that is given in this item is written below,

    2Na + Cl2 - - > 2NaCl

    From the equation, it can be seen that for every mole of sodium, it would require 1 mol of Cl2 for the complete reaction. Below is the calculation of the number of moles of chlorine.

    n = (2 mol Na) (1 mol Cl2/2 mol Na) = 1 mol Cl2

    The molar mass of Cl is equal to 35.45 grams. Since, we have Cl2, the mass of the chlorine gas needed would be 70.9 grams.

    Answer: 70.9 grams
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