Question 19 of 24 The bottle on the right contains iodine crystals and is sold a

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Question 19 of 24 The bottle on the right contains iodine crystals and is sold as a water di Instructions say to fill the bottie with water and shake, then let sit for an hour. That will dissolve a little of the iodine until the water is sat not very soluble in water you pour guess, the warmer the water, the more lodine will dissolve. At 100 F, only 1 capful of the Map with lodine. Remember, iodine is Looking at the diagram on out a capful of the solution, the crystals of iodine are trapped. As you might n is needed per quart for liter) of water. At 60 F(20 C), less iodine dissolves, so you The target concentration in the water you are disinfecting is 5 ppm of lodine. From need 2 capfuls of the saturated lodine solution because it only dis half as much the lab that used the TDS meter, you should recall that for solutions ppm means mg/L. So if a capful brings the milligrams of iodine are needed for 4 liters? tration of iodine to 5mg/L in a liter of water, how many OLAR PURE ER DISINFECTANT cu Number SOLUTION BOTTLE mg Particle Trap ola CAP TO MEASURE DOSAGE OFJODINE SOLUTION SATURATED ODINE SOLUTION TRAPPED ODINE pCRYSTALS ing O Previous ) Check Answer Next Exit

Explanation / Answer

As, a single capful brings the concentration to 5mg/L in a liter of water.

Therefore, 5 mg are required for 1L of water.

Then, 4 liter of water req 4*5mg of Iodine = 20mg of Iodine

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