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Grade 11Organic Chemistry

The no. Of oxygen atoms present in 14.6gm of magnesium bicarbonate

Profile image of Lagan
10 Years agoGrade 11
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2 Answers

Profile image of mohan
10 Years ago
HI FRIEND.......
Now iam solved it, I Got the answer is THREE
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Profile image of yadnya yeolekar
9 Years ago
molecular mass of magnesium bicarbonate = 146
no. of moles = given weight/moecular weight
                    =  14.6/146 =0.1                                                                              …...............(1)
        here, no. of moles of oxygen in magnesium bicarbonate = 16*3*2/16 = 6  …..............(2)
[from (1) and (2) ],
        0.1*6*NA =0.6 NA
 So, the number of oxygen atoms present in 14.6 g of magnesium bicarbonate is 0.6 NA.
 

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