A mineral consists of a cubic close packed structure formed by
O2- ions where half the octahedral voids are occupied by Al 3+ and one eight of the tetrahedeal voids are occupied by Mn2+ . The chemical formula of the mineral is.
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dm-3 sucrose solution at 20 ° C (molar gas constant, R = 8.314 JK -1 mol -1 ; 1 dm-3 = 0.001 m3 ) a. 4870 Pa b. 4.87 Pa c. 0.00487 Pa d. 0.33 Pa Ans. a (17)
