Calculate the mass ratio of CaO and SO4
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Mass ratio of CaO
The ratio by mass for calcium and oxygen in Calcium oxide is given as 5 : 2.
Thus, the formula of calcium oxide should be CaO as the simplest ratio of the elements is 1:1.
Mass ratio of SO4
The CSMR is expressed as a ratio of milligrams per litre chloride (Cl−) the CSMR is 0.5.
Mass ratio / atomic mass of S = 4/32 = 1/8.
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