TS EAMCET · Chemistry · Some Basic Concepts of Chemistry
The number of grams of oxygen in of is approximately
- A
- B
- C
- D
Answer & Solution
Correct Answer
(B)
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Detailed explanation
The atomic masses of elements are :- Na= 23g/mol; S=32g/mol;O=16g/mol;H=1g/mol So, the molecular mass of Na2SO4·10H2O=23×2+32+14×16+20×1=322g/mol Given mass of Na2SO4·10H2O=32.2 g Mole of…
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