Engineering
Chemistry
Determination of Atomic and Molecular Mass
Question
Some amount of a diacidic organic Lewis base (molar mass = 58) reacts with chloroplatinic acid to form 12 g of chloroplatinate salt. The mass of residue produced on heating is
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Solution
B2 [H2PtCl6]2 → Pt
12 g w g
POAc for Pt
or w = 5 g