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1. Some basic concept of chemistry — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry1. Some basic concept of chemistry1 Mark
MCQ
Which of the following has maximum mass
  • A
    $0.1\ g$ atom of $C$
  • B
    $0.1\ mole$ of $NH_3$
  • C
    $6.02 × 10^{22}$ molecule of $H_2$ gas
  • ✓
    $1120\ ml$ of $CO_2$ at $1\ atm, 273\ K$
✓

Answer

Correct option: D.
$1120\ ml$ of $CO_2$ at $1\ atm, 273\ K$
d
Volume $(ml)$ = Mass $(g)$

$22400 = 44$

$1120 = \frac {1120}{22400} \times 44 = 2.2\ g$

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