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1) 2)433) mass of empty beaker (g) = 90.54mass of beaker and residue (g) = 101.36

use a dissociation equation and calculate the amount concentrations of the cations and the anions present when 100.0g of Na2OOCCOO(s) is dissolved to make 5.0L of solution.

Iron (111) sulfate is used as a coagulant for industrial waste. use a dissociation equation and calculate the concentration of the solute needed to produce a Fe2(SO)(aq) solution with 0.600 mol/L iron (111) ions.

A sample of dry saturated calcium chloride at room temperature.

volume (mL) = 15.0

The solubility of calcium chloride is ________ g/100mL. (three digit answer)


4) calculate the mass of pure glucose contained in a 60.0kg tank that is a 5.0% by mass solution.


5) seawater was measured to contain 3.90 x 10-3 ppb of dissolved gold. What volume of seawater will contain 1.00g of gold?

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