An oxybromate componud, KBrOx, Where X is unknown , is analysed and found to contain 59.19% Br. what is the value of X?
pls explain if u could? Thx !!
An oxybromate componud, KBrOx, Where X is unknown , is analysed and found to contain 59.19% Br.?
2009-06-21 7:11 am
回答 (1)
2009-06-21 12:13 pm
✔ 最佳答案
moles Br = 59.19 g/79.904 g/mol=0.7408moles K = 0.7408
mass K = 0.7408 mol x 39.1 g/mol= 28.96
59.19 + 28.96= 88.15
moles O = 100 - 88.15 / 16= 0.740
the ratio is 1 : 1 : 1
so X is 1
and KBrO is the compound
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