how many oxygen atoms are there in 0.17 mg of Sr(OH)2???????????
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Answer:
O2. ...............
it's ur answer
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Answer:
given mass= 0.17 mg
mm of Sr=88
mmofOH=17
MM OF COMPOUND =122
moles of molecule=0.17/122 = 0.001
moles of O = no. of O in molecules x moles of complound= 0.002
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