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CBSE Class 11-science Answered

 
 
 
 
A sample of ammonium phosphate (NH3)PO contains 3.18 moles of hydrogen atom. Thw number of oxygen atoms in the sample is ?
Asked by haripriya.malviya | 09 Apr, 2016, 04:24: PM
answered-by-expert Expert Answer
left parenthesis NH subscript 4 right parenthesis subscript 3 PO subscript 4 space contains space 3.18 space moles space straight H space atom 3.18 space moles space of space straight H space atoms space equals space 3.18 space straight g space straight H space atoms  Molar space mass space of space ammonium space phosphate space is space 149.09 space straight g space mol to the power of negative 1 end exponent 149.09 space straight g space ammonium space phosphate space contains space 12 space straight g space straight H 3.18 space straight g space straight H space is space present space in space 39.51 space straight g space ammonium space phosphate space 149.09 space straight g space ammonium space phosphate space contains space 64 space straight g space straight O space 39.51 space straight g space ammonium space phosphate space contains space 16.96 space straight g space straight O  16 space straight g space straight O space identical to space 1 space mole space straight O 16.96 space straight g space straight O space identical to space 1.06 space mole space straight O  1 space mole space straight O space identical to space 6.023 space cross times space 10 to the power of 23 space atoms space straight O 1.06 space moles space straight O space identical to space 6.3843 space cross times space 10 to the power of 23 space atoms space straight O
Answered by Prachi Sawant | 11 Apr, 2016, 11:13: AM
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