Refer to the given figure and select the correct option representing the osmolarity at P,Q,R and S.

Options

A. `{:(underset((mOsmolL^(-1)))(P),underset((mOsmolL^(-1)))(Q),underset((mOsmolL^(-1)))(R),underset((mOsmolL^(-1)))(S)),(1200,900,600,300):}`
B. `{:(underset((mOsmolL^(-1)))(P),underset((mOsmolL^(-1)))(Q),underset((mOsmolL^(-1)))(R),underset((mOsmolL^(-1)))(S)),(900,1200,300,600):}`
C. `{:(underset((mOsmolL^(-1)))(P),underset((mOsmolL^(-1)))(Q),underset((mOsmolL^(-1)))(R),underset((mOsmolL^(-1)))(S)),(300,600,900,1200):}`
D. `{:(underset((mOsmolL^(-1)))(P),underset((mOsmolL^(-1)))(Q),underset((mOsmolL^(-1)))(R),underset((mOsmolL^(-1)))(S)),(1200,300,900,600):}`

Answer

A