Determine the mass of Na2S2O3.5H2O required to prepare 0.1N solution in 50 ml volume.

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Q: [OH-]=3.9 x 10-6 M Express your answer using two decimal places. ? pH = %3D Submit Request Answer

A: Given  [ OH- ]   =   3.9 × 10-6 M       PH   =   ?

Q: Answer choices :  100.0% H  100% O  33.3% H  66.6% C  33.3% O 33.3% C 40.9% C 11.3% H 22.1% O

A:

Q: Calculate the pH for each H,0* concentration. . [H_O*] = 1× 10-8 M pH [H,O*] = 0.01 M pH: %3D

A: GivenH3O+ = 1 × 10-8  MH3O+ = 0.01 MH3O+ =1 ×10-13 M

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A: Compound Q is an alcohol since it has an OH group as the only functional group.

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Q: Answer choices  33.3% H  60.0% H 33.3% C 40.0% C 53.3%  O 60.0% O 68.2% C 33.3% O 7.0% H

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