Rank the following compounds in order of decreasing basicity, putting the most basic first. NH₂ NH₂ NH₂ CONH₂ I H3CO O I > || > ||| > IV 0 | > ||| > | > IV IV > III > | > || ● || > | > ||| > IV IV

What molarity of HCl stock solution is needed so that 12.5 mL of this stock solution diluted to 0.500L will yield 5mM?

X A Games Tangent Editing Paragraph Styles Font Paste mes Clipboard For each solute, click the button under the better solvent. Games Which is the better solvrent? angent solute mes :0: CH, CH,- сCH, — С — CН — сн, но CH,- CH,-0H ya ...FREE! CH,CH,OH H. ogle ome NH,NO, H. HO H.O CH-(CH.) CH, CHal

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True/False Indicate whether the statement is true or false. Write T if the statement is true while F if statement is false on the before each number 1.During inspection, the attributes and variable characteristics of a product is being compared against its specification to find out if the product is within the prescribed limits 2.Standard solutions of acids should be preserved in tightly stoppered bottle fitted with soda-lime tube to protect from carbon dioxide of the air 3.All burets should be tested for leakage prior to use A

At a particular temperature, suppose that 24.4 g solute is added to 50.0 g water and, after mixing, 0.3 g of the solute remains undissolved. What is the solubility of this solute at this temperature in grams per 100 g of water? (Enter in standard notation with one digit after the decimal point) Type your answer......

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The mass of K3PO4 needed to prepare 250.0mL of an aqueous solution in which PO4-3 concentration is 0.0550M.   The answer is ……………………… 6

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How manipulation of protonation state of compounds influence solubility in organic and aqueous solvents? (use reactions to support)