Answer: 0.052torr
Explanation: Please see attachment for explanation
Answer:
Explanation:
Given:
[AgNO3] = 0.20 M
Ba(NO3)2 = 0.20 M
[K2CrO4] = 0.10 M
Ksp of Ag2CrO4 = 1.1 x 10^-12
Ksp of BaCrO4 = 1.1 x 10^-10
Now,
So, BaCrO4 will start precipitating when [Ag+] is 4.2 x 1.2^-2 M
C. 2Fe2O3 would be the correct answer!
<span> iron (Fe), ruthenium (Ru), osmium (Os) and hassium (Hs). They are all transition metals.</span>