Chlorine reacts with oxygen to form two compounds. Compound A contains 8.43 g of chlorine for every 13.67 g of oxygen. Compound B contains 5.87 g of chlorine for every 17.33 g of oxygen. What is the mass ratio of chlorine rounded to the nearest whole number

The mass ratio for chlorine is =  2 : 1

Explanation:

Given that Compound A contains 8.43 g of chlorine for every 13.67 g of oxygen.

-------- (1)

Similarly

--------- (2)

------ (3)

Put the values from equation (1) & (2)  in equation (3) we get

Mass Ratio  = 2 : 1

Therefore the mass ratio for chlorine is =  2 : 1

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