The best and most correct answer among the choices provided by your question is the third choice or letter C.
An acid is any substance containing a hydrogen molecule.
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An alpha particle is identical to a helium atom that has been stripped of its two electrons
<span>3 NO2 + H2O -------->. 2 HNO3. + NO
3(46g)------------------------> 2 ( 63g) HNO3
? kg-------------------------5.89 x10^3kg HNO3
Mass of NO2. = 5.89x10^3 x 138/ 2(63) = 6.45 x10^3 kg</span>