Water in a swimming pool is treated with two chemical mixed. In a ration of 5:4. The total volume of the chemicals is 48 litres.
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<span>the complete question in the attached figure
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The answer is the option A 9.9 grams
because the balance is accurate to the nearest 1/10 gram; thus, the <span>highest level of accuracy appropriate to the limitations of the balance is 0.10 gram (1/10)</span>
