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Complete the calculation. Show working for complete credit :
Calculate the mass of calcium that will contain the same number of atoms as are present in 3.2 gm of sulphur. [Atomic masses : S = 32, Ca = 40]

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`("Mass fo calcium")/("Atomic mass of Ca")=("Mass of sulphur")/("Atomic Mass of S")`
`(x)/(40)=(3.2)/(32)`
`:. X=4g`
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