Q.
A soft drink was bottled with a partial pressure of CO2 of 3 bar over the liquid at room temperature. The partial pressure of CO2 over the solution approaches a value of 30 bar when 44g of CO2 is dissolved in 1 kg of water at room temperature. The approximate pH of the soft drink is ______×10−1(First dissociation constant of H2CO3=4.0×10−7;log2=0.3; density of the soft drink =1 g mL−1)
see full answer
Start JEE / NEET / Foundation preparation at rupees 99/day !!
21% of IItians & 23% of AIIMS delhi doctors are from Sri Chaitanya institute !!
An Intiative by Sri Chaitanya
answer is 37.
(Unlock A.I Detailed Solution for FREE)
Ready to Test Your Skills?
Check your Performance Today with our Free Mock Test used by Toppers!
Take Free Test
Detailed Solution
Herny’s law : - ωg∝P(for 1 kg of ssolvent)In 100rg of H2Oωg1ωg2=P1P2 ⇒Δ4ω=303⇒ω=4.4g of ω2=0.1 moles of CO2 Wt. of solution =1000+4.4=1004.4g∴Vsol =1004.41=1004.4ml=1.0044l∴CO2=0.11.0044≃0.3M=H2CO3H2CO3⇌KalH++HCO3−H+=Ka1×C=4×10−7×10−1=2×10−4PH= --log (H+)
Watch 3-min video & get full concept clarity