Duration: 5:55

3 views

0

Solid \( \mathrm{BaCO}_{3} \) is gradually dissolved in a \( 1.0 \times 10^{-4} \mathrm{M} \)
P \( \mathrm{Na}_{2} \mathrm{CO}_{3} \) solution. At what concentration of \( \mathrm{Ba}^{+2} \) will

W a precipitate being to form?
\( \left(\mathrm{K}_{\mathrm{sp}}\right. \) for \( \left.\mathrm{BaCO}_{3}=5.1 \times 10^{-9}\right) \);
(1) \( 4.1 \times 10^{-5} \mathrm{M} \)
(2) \( 5.1 \times 10^{-5} \mathrm{M} \)
(3) \( 8.1 \times 10^{-8} \mathrm{M} \)
(4) \( 8.1 \times 10^{-7} \mathrm{M} \)
📲PW App Link - https://bit.ly/YTAI_PWAP
🌐PW Website - https://www.pw.live