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41. Which of the following is wrong?(1) One mole of hydrogen weighs less than one mole(2) Two moles of hydrogen and one mole of helium(3) 0.1 mole of oxygen weighs more than one mole of(4) One mole of nitrogen and half a mole of oxygenof glucoseweigh the samehydrogenweigh the same |
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Answer» option 4 is wrong as 1 mol of nitrogen weighs 14gm and 0.5 mol of oxygen weighs 8gm. but given in 2nd option that 2 moles of hydrogen=2*1=2 and helium weight =4 can you explain that what is reason that second option is not correct? see option two is correct because, whenever it's hydrogen written consider it as molecule became hydrogen exists in gas molecule unless and until it's not specified don't consider to be atom |
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