March 2019 1 120 Report
Sebanyak 100 ml air garam (larutan NaCL) direaksikan dengan larutan perak nitrat berlebihan menghasilkan 7,175 gram endapan perak klorida menurut persamaan:
NaCl(aq) + AgNO3 (aq) → AgCl (s) + NaNO3 (aq)

Jika massa jenis air garam itu adalah 1,03 kg L-1,hitunglah kadar NaCL tersebut ?

Ar Na=23 ,Cl=53,5 , Ag=108

A.1,42%
B. 2,56%
C. 2,84%
D. 3,01 %
E. 5,12%

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