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9 May, 06:10

During the winter months, many locations experience snow and ice storms. It is a common practice to treat roadways and sidewalks with salt, such as NaCl. If a 11.3 kg bag of NaCl is used to treat the sidewalk, how many moles of NaCl does this bag contain

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  1. 9 May, 08:37
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    Answer:The moles of NaCL in the 11.3kg bag is 193.36moles

    Explanation:

    Given that a bag of NaCl = 11.3kg

    1kg = 1000g

    therefore 11.3 kg = 11,300g

    Remember that

    No of moles = mass of subatance / molar mass of substance

    The molar mass of NaCl = Na + Cl = 22.989769 + 35.453 = 58.442769≈ 58.44g/mol

    No of moles = mass of subatance / molar mass of substance

    = 11300g / 58.44g/mol = 193.36 moles

    The moles of NaCL in the 11.3kg bag is 193.36 moles.
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