In the stoichiometry of nautral faujasite-a zeolite with formula Na_(x)[(AlO_(2))_(56)(SiO_(2))_(136)] 250H_(2)O the value of x is

In the stoichiometry of nautral faujasite-a zeolite with formula Na_(x

1.	In the stoichiometry of nautral faujasite-a zeolite with formula Na_(x)[(AlO_(2))_(56)(SiO_(2))_(136)] 250H_(2)O the value of x is
Answer» 56 136 250 None of these. Solution :Here `SiO_(2)` and `H_(2)O` do not carry any charge.The charge present in `AlO_(2)` UNIT is -1(+3 on Al and -4 on two O-atoms). THUS negative charge present on 56 `AlO_(2)` unit is -56. Therefore, 56 `Na^(+)` ions are present in ONE molecule of faujasite.