Explanation:
<u>Physical properties of ZBr₂</u>
The compound is an ionic substance. Therefore it will have properties of ionic compounds. Some of these properties are:
- it is a hard solid usually with high melting points or a liquid with high boiling points.
- Soluble in water and insoluble in non-polar solvents.
- It can conduct electricity in aqueous solutions or in molten form.
- it will undergo a fast reaction.
<u>Z is a metal</u>
To form ionic compound, a metal will combine with a non-metal. Bromine is a non-metal and it is expected that Z will be a metal. This is because ionic bonds involves transfer of electron from one specie to the other. Metals are usually the donor and non-metals are the receptor. This is how ionic bond forms. The electrostatic attraction resulting from the ions produced the ionic bond.
<u>Formula of the oxide</u>
ZO
Z 0
+2 -2
It is obvious that Z has 2 valence electrons. It will lose the two valence electrons to attain stability.
Oxygen requires 2 electrons to resemble Neon. This combination will give a compound ZO.
Learn more:
ionic compounds brainly.com/question/6071838
#learnwithBrainly
Answer:
Here is the solution..Hope it helps:)
The total mass is the sum of mass of KCl and mass of
water:
total mass = 38 g + 225 g
total mass = 263 g
Therefore the mass percent of KCl is:
% KCl = (38 g / 263 g) * 100%
<span>% KCl = 14.45%</span>
If the pOH is 6.0, then the pH is 14.0 - 6.0 = 8.0 :)
Answer: a
Explanation:
Set up a ratio and solve.
7.9 • 120 / 160 = 5.925
