Solve the folowing problems. 1. Calculate the pH of a buffer system containing 1.0 M CH3COOH and 1.0 M CH3COONA. 2. What is the pH of the buffer system after the addition of 0.10 mole of gaseous HCI toIL of the solution. Frame: 10 minutes)

1. What is the main sweetener in your gum? sucrose C₁2H22011 isomalt C12H24O11 mannitol C₁H₁406 maltitol C12H24O11 O sorbitol C6H₁406 Ⓒxyitol C-H12O5

||| O ORGANIC FUNCTIONAL GROUPS Predicting the products of symmetric alcohol dehydration Predict the missing product of this organic reaction: H+ A OH planation + H₂O Specifically, in the drawing area below draw the skeletal ("line") structure of P. Click and drag to start drawing a structure. Check www-awu.alek

What is the product of this reaction?

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Draw a tiny section of a molecule of glycogen. Include 4 monomers. If there are any branch points in the molecule, be sure you include at least one. Some starter molecules have been pre-loaded into the drawing area to save you time. You can edit these, or use the copy/paste tool to make copies. Be sure to delete any starter molecules you don't use before you submit your final answer. HO–CH, O H REX me H OH H H₂N. HO H OH OH HN ΝΗ

The two molecules below are dissolved in ether and placed in a separatory funnel. Is 5% HCI a good solution to use to separate the two molecules? 0 ol OH Molecule A www Molecule B Yes, molecule A will be in the aqueous layer No, both molecules will be in the aqueous layer No, both molecules will be in the ether layer Yes, molecule B will be in the aqueous layer

7. Which of the following would behave as a hydrogen bond acceptor, but not a hydrogen bond donor? H H:0: H I || | Н-с-с-с-н H :0: H ннн ннн Н-с-с-с—Н Н-с-с-с-о- Н-с-с-с-N-H ннн H ннн нннн

Name the reagent(s) required to complete the following reaction. Paragraph v + BI U A 叩く聞く 89