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what is the percent by mass of NaCHO3 in a solution containing 12g NaCHO3, dissolved in 450mL of water?

  • Chemistry - ,


    Density of H2O= 1g/mL, solve for mass in g

    400ml*(1g/mL)= mass of H2O

    [12 g of NaCHO3/(mass of H2O + mass of NaCHO3)]*100= % mass of NaCHO3

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