<h3><u>Answer</u>;</h3>
Cu2+, Zn2+, F-, and SO3^2-
<h3><u>Explanation</u>;</h3>
- Hydrolysis is a reaction of a substance or a compound with water.
- Anions such as Cl- and cations such as K+ and Ba2+ of strong acids and bases to not hydrolyze.
- For example; KOH and Ba(OH)2 are strong bases, and HCl is a strong acid.
- All the other ions will have a hydrolysis reaction with water and establish an equilibrium;
Cu2+ + HOH ↔ CuOH^+ + H+
Zn2+ + HOH ↔ZnOH^+ + H+
F- + HOH ↔ HF + OH-
SO3^2- + HOH ↔ HSO3^- + OH-
The answer is ice made from tap water
Answer:
59.76 grams of Li₂O
Explanation:
To solve this problem we will first calculate the moles of Li₂O. One mole of given substance always contains 6.022 × 10²³ particles which can be atoms, ions, molecules or formula units. This number is also called as Avogadro's Number.
The relation between Moles, Number of Particles and Avogadro's Number is given as,
Number of Moles = Number of Particles ÷ 6.022 × 10²³
Putting values,
Number of Moles = 1.204 × 10²⁴ Particles ÷ 6.022 × 10²³
Number of Moles = 2.0 Moles
Secondly, we will convert calculated moles to mass using following relationship.
Moles = Mass / M.Mass
Or,
Mass = Moles × M.Mass
Putting values,
Mass = 2.0 mol × 29.88 g/mol
Mass = 59.76 grams of Li₂O
Answer:
40 g
Explanation:
Find the line labeled KClO3 (which might take you a min, theres a lot of lines here)
Notice that when the line creates a direct point, you can measure the exact temperature needed to dissolve a certain amount (like how they gave 30 degrees and it lined up perfectly with the 10 g line. )
Since its asking for the amount at 80 degrees, all you need to do is trace the line to the 80 degree point, and look at the grams. (notice it made a direct point, so there definitely should be any decimals or guesswork)
By reading the graph, you can tell that at 80 degrees, it dissolves 40 grams, and that is your answer.
Hope this helps :)
Answer:
P1V1/T1 = P2V2/T2
Explanation:
- Hope that helped! Let me know if you need further explanation. Sorry I didn't give you exaxt one, it was kinda hard to read, but that is the correct answer I put above.
