
Concept explainers
(a)
Interpretation:
The nature of the solubility of H2C2O4 solid should explained.
Concept introduction:
H2C2O4 (oxalic acid) is weakly acidic in aqueous solution.
(b)
Interpretation:
The nature of the solubility of MgCO3 solid should explained.
Concept introduction:
MgCO3 gives CO32- ions.
(c)
Interpretation:
The nature of the solubility of CdS solid should explained.
Concept introduction:
CdS ions give S2- ions to the medium.
(d)
Interpretation:
The nature of the solubility of KCl solid should explained.
Concept introduction:
KCl is an ionic salt.
(e)
Interpretation:
The nature of the solubility of NaNO3solid should explained.
Concept introduction:
NaNO3 is an ionic salt.
(f)
Interpretation:
The nature of the solubility of Ca(OH)2 solid should explained.
Concept introduction:
Ca(OH)2 ions give OH- ions to the medium.

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Chapter 18 Solutions
GENERAL CHEMISTRY-MOD.MASTERINGCHEM.
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- Calculating the pH at equivalence of a titration 3/5 Izabella A chemist titrates 120.0 mL of a 0.7191M dimethylamine ((CH3)2NH) solution with 0.5501 M HBr solution at 25 °C. Calculate the pH at equivalence. The pk of dimethylamine is 3.27. Round your answer to 2 decimal places. Note for advanced students: you may assume the total volume of the solution equals the initial volume plus the volume of HBr solution added. pH = ☐ ✓ 18 Ar Boarrow_forwardAlcohols can be synthesized using an acid-catalyzed hydration of an alkene. An alkene is combined with aqueous acid (e.. sulfuric acid in water). The reaction mechanism typically involves a carbocation intermediate. > 3rd attempt 3343 10 8 Draw arrows to show the reaction between the alkene and hydronium ion. that 2nd attempt Feedback 1st attempt تعمال Ju See Periodic Table See Hint F D Ju See Periodic Table See Hintarrow_forwardDraw the simplified curved arrow mechanism for the reaction of acetone and CHgLi to give the major product. 4th attempt Π Draw the simplified curved arrow mechanism T 3rd attempt Feedback Ju See Periodic Table See Hint H -H H -I H F See Periodic Table See Hintarrow_forward
- Select the correct reagent to accomplish the first step of this reaction. Then draw a mechanism on the Grignard reagent using curved arrow notation to show how it is converted to the final product. 4th attempt Part 1 (0.5 point) Select the correct reagent to accomplish the first step of this reaction. Choose one: OA Mg in ethanol (EtOH) OB. 2 Li in THF O C. Li in THF D. Mg in THF O E Mg in H2O Part 2 (0.5 point) Br Part 1 Bri Mg CH B CH, 1 Draw intermediate here, but no arrows. © TE See Periodic Table See Hint See Hint ין Harrow_forwardSelect the product for the following reaction. HO HO PCC OH ○ OH O HO ○ HO HO HOarrow_forward5:45 Х Select the final product for the following reaction sequence. O O 1. Mg. ether 2.D.Oarrow_forward
- Based on the chart Two similarities between the molecule with alpha glycosidic linkages. Two similarities between the molecules with beta glycosidtic linkages. Two differences between the alpha and beta glycosidic linkages.arrow_forwardplease help fill in the tablearrow_forwardAnswer F pleasearrow_forward
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