Question

If equal volumes of BaCl2 and NaF
solutions are mixed, which of these
combination will not give a precipitate?
(Ksp of BaF2 = 1.7 x 10-7.​

Answer 1

Answer:

If equal of BaCI2(aq) and NaF(aq) solution are mixed together, which will NOT give a precipitate (Ksp of BaF2=1.7×10−7)?

this is correct question

a. all will produce a precipitate

b. 0.0040 M BaCl2 and 0.020 M NaF

c. 0.010 M BaCl2 and 0.0020 M Naf

d. 0.020 M=BaCl2 and 0.0020 M NaF

e. 0.0150 M BaCl2 and 0.010 M NaF

Only tune mixture will precipitate which have greater ionic product then Ksp value

Ksp(BaF  

2

​  

)=[Ba+2][F  

−

]  

2

 

(b) ionic produced =0.0040×(0.02)  

2

=1×10  

−7

 

it will give precipitate

(c) ionic product =0.010×(0.015)  

2

=22.5×10  

−7

 

it will also give precipitate

(d) ionic product =0.02×(0.002)  

2

=0.8×10  

−7

 

it will not give precipitate

(e) ionic product =0.016×(0.010)  

2

 

=15×10  

−7

 

it will also give precipitate

only option c will not give precipitate

Explanation:

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