The hydrated salt na2so4 nh20 under goes 55% loss in weight on heating and become anhydrous.the value of small n? will

Asked by sireeshabandaru88 | 11th Apr, 2020, 12:24: PM

Expert Answer:

Molar mass of Na2SO = 142 gm
 
Percent loss of water from Na2SOis 55
 
So,
 
fraction numerator 18 straight n over denominator 142 plus 18 straight n end fraction cross times 100 space equals space 55 space
 
1800n = 7810 +  990n
 
n =9.64
 
n≈ 10 mol

Answered by Varsha | 11th Apr, 2020, 05:34: PM