Search results
1 day ago · The pH of a 1 in 20 solution of potassium acetate in water typically ranges between 7.5 and 8.5, indicating a slightly basic nature. This is due to the presence of the acetate ion, which can act as a base and accept a proton from water, forming acetic acid and increasing the pH.
This table shows the most common charges for atoms of the chemical elements. You can use this table to predict whether an atom can bond with another atom. The charge on an atom is related to its valence electrons or oxidation state . The most common charges are based on maximum stability for the atom. However, other charges are possible.
5 days ago · Complete answer: The compound $ K {C_2} {H_3} {O_2} $ contains basically three types of atoms including potassium, oxygen, carbon and hydrogen. As we know, the chemical formula of acetate which is formed by removal of hydrogen atoms from acetic acid is $ {C_2} {H_3} {O_2} $ .
3 days ago · The addition of lead acetate will produce a black precipitate of lead sulfide (if enough hydrogen sulfide remains, or if there are sulfide ions remaining). Therefore, the sodium salt X must contain sulfide ions. The likely formula for X is therefore N a S 2.
4 days ago · Normality formula, N 1 V 1 = N 2 V 2, (Where N 1, N 2 → Normality of titrant and titrate respectively, V 1, V 2 → Volume of titrant and titrate respectively). % by weight = Wt. of solvent/Wt. of solution × 100 .
2 days ago · Parentheses are used around any polyatomic ion used more than once in a formula unit. Parentheses are only used around polyatomic anions used more than once in a formula unit. 23. Write chemical formulas for the following ternary ionic compounds. a. Calcium sulfate b. Copper(II) nitrate c. Lithium phosphate d. Potassium permanganate e. Aluminum ...
4 days ago · From this stock, 25, 50, and 100 μL of plant extract were added to 300 μL of methanol, 20 μL of AlCl 3, 20 μL of potassium acetate, and 660 μL of distilled water one after another. The absorbance was measured after 30 min incubation, at 415 nm through a UV–vis spectrophotometer (Shimadzu UV-1800).
