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Chemistry (moles)

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A 1.00L sample of seawater contains 19.4g of chloride ions, 10.8 g of sodium ions, and 1.29 g of magnesium ions. How many more moles of chloride ions would be needed to make neutral salts of all the cations in solution?

  • Chemistry (moles) - ,

    Convert 19.4 g Cl^- to moles. moles = grams/atomic mass.
    Convert 10.8 g Na ions to moles.
    Convert 1.20 Mg ions to moles.
    Add the + ions and the - ions to make them zero. Don't forget that Mg is a +2 charge and the others are +1.

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