Calculate the percentage of platinum in ammonium chloroplatinate, (NH4)2PtCl6.
(Give your answer correct to the nearest whole number).
[N= 14,H= l,Pt= 195,C1 = 35.5]
62.75%
43.92%
50%
57.24%
55.80 %
Calculate the percentage of platinum in ammonium chloroplatinate (NH4)2PtCl6.
Calculate the relative molecular masses of :
(a) CHCl3 (b) (NH4)2Cr2O7
(c) CuSO4.5H2O (d) (NH4)2SO4
(e) CH3COONa (f) Potassium chlorate
(g) Ammonium chloroplatinate (NH4)2PtCl6
Calculate the percentage of sodium in sodium aluminium fluoride (Na3AlF6) correct to the nearest whole number.
(F= 19,Na = 23,Al = 27).