The bond formed from electrons that are transferred is a(n) ionic bond hydrogen bond covalent bond

Answers

Answer 1

Answer: Ionic bonds are formed from electrons completely transferred.

Hydrogen bonds are formed when a hydrogen atom is attracted to an atom with extremely high electronegativity. Hydrogen bonds can only be formed with O, N, or F atoms.

Covalent bonds are formed with the sharing of electrons between atoms.

Answer 2

Answer:

Answer:A.) ionic bond

Explanation:

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Calculate the mass percent composition of sulfur in Al2(SO4)3.

Answers

The molar mass of aluminum sulftae is 342.14 g/mol.

Since the subscript shows that there are 3 sulfurs within the substance, the total mass of sulfur is 96.21g/mol

Now take the mass of the sulfur and divide it by the molar mass of aluminum sulfate, then multiply by 100:
(96.21/342.15)(100) = 28.1% mass composition of sulfate

True or false: Chlorine treatment is effective in removing Cryptosporidium from water.

Answers

Answer:

False, they are non-effective

Explanation:

Calculate the pH of a solution in which [OH–] = 4.5 × 10–9M.8.35

6.11

4.94

5.65 - this one is correct

Answers

Answer:

5.65 is the pH.

Explanation:

I am assuming that you are asking for confirmation on your answer. The answer is 5.65.

You would do:

[pOH] = -log[OH-]

= -log[4.5*10^-9]

equals about 8.3468

To find pH your would subtract the pOH from 14.

14-8.3468 = 5.65 << Rounded to match the answer choices.

The curved top surface of a liquid column

Answers

The curved top of a liquid is the meniscus

Answer:

its a meniscus

hope this works. please mark me brainliest..

What is the cloud of gases that forms around the nucleus of a comet called?a. coma
b. gas tail
c. dust tail
d. Giant Red Spot

Answers

The correct answer is A. cloud of gases that forms around the nucleus of a comet is called a coma. The coma is a dusty, fuzzy cloud around the nucleus of a comet. Other parts of a comet are the nucleus and the tail.

the titration of 80.0 ml of an unknown concentration phophorice acid solution requires 252 ml of 0.218 m potassium hydroxide solution. what is the concentration of the phosphoric acid solution (in mi?

Answers

The concentration of the phosphoric acid solution required for the titration of 252 ml of 0.218 M potassium hydroxide solution is 0.2289 M.

To determine the concentration of the phosphoric acid solution, we can use the titration equation:

mole of acid = moles of base

Phosphoric acid (H3PO₄) reacts with potassium hydroxide (KOH) in a 1:3 ratio:

H₃PO₄ + 3KOH → 3H2O + K₃PO₄

Now, we can calculate the moles of KOH using its volume and concentration:

moles_KOH = volume_KOH × concentration_KOH
moles_KOH = 0.252 L × 0.218 M
moles_KOH = 0.054936 mol

Since H3PO4 reacts with 3 moles of KOH:

moles of H₃PO₄ = moles KOH / 3
moles of H₃PO₄ = 0.054936 mol / 3
moles of H₃PO₄ = 0.018312 mol

Now, we can determine the concentration of H3PO₄:

concentration of H₃PO₄ = moles_H3PO4 / volume_H₃PO₄
concentration of H₃PO₄ = 0.018312 mol / 0.080 L
concentration of H₃PO₄ = 0.2289 M

So, the concentration of the phosphoric acid solution is approximately 0.2289 M.

Learn more about the titration : brainly.com/question/186765

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Balance this equation please.

Which of the following has the most electrons?A) Sr^{2+} B) Rb C) Cl^{-} D) Kr

What is the limiting reactant when 8.4 moles of lithium react with 4.6 moles of oxygen gas? Unbalanced equation: Li + O2 → Li2O Show, or explain, all of your work along with the final answer.