The optimum range for calcium ion concentration in water used for brewing is between 50 and 150 ppm. How many grams CaCl2.2H2O would you need to add…

  1. The optimum range for calcium ion concentration in water used for brewing is between 50 and 150 ppm. How many grams CaCl2.2H2O would you need to add to bring 40.0 L of water with a measured calcium ion concentration of 35.0 ppm, to a final concentration of 100 ppm? (Hint: Start by calculating the percentage of Ca in CaCl2.2H2O

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