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# The Formula For Aluminum Sulfate Is Al2 So4 3, Chebi:74772

Can someone please explain why aluminum sulfate is Al2(SO4)3. The aluminumcation has a charge of 3+ (Al 3+ ), while the sulfate anion (SO_4_ 2- ) has a 2- negative charge.

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Similarly, it is asked, what is the charge of the cation in al2 so4 3?

1 Expert Answer. Al has a 3+ charge, and SO4 has a 2- charge. So, it takes 3 of the SO4 anions to balance 2 of the Al cations. So, you get Al2(SO4)3.

Subsequently, question is, what is the name for al2 so4 3? Aluminium sulfate

Additionally, what is the charge of aluminum sulfate?

Notice that the aluminum ion has a charge of +3 and the sulfate ion has a charge of -2. We need to write a formula for aluminum sulfate that has the same number of positive and negative charges.

What is the oxidation state of aluminum in al2 so4 3?

SO4^- is always -2, and there are three which gives total negative charge of -6, therefore each aluminum must be +3.

### What does so4 3 mean?

In the chemical formula Al2(SO4)3, the Al2 means there two aluminium (atoms or ions). The SO4 is a sulfate ion and (SO4)3 means there are 3 sulfate ions. The number 3 before Al2(SO4)3 means there are three times the number of atoms and ions of the chemical formula.

2 moles

### Is al2 so4 3 a salt?

Description: Aluminum Sulfate Anhydrous is an aluminum salt with immune adjuvant activity. Aluminum sulfate is also obtained as an 18-hydrate Al2(SO4)3.18H2O. Both forms are soluble in water, noncombustible, and nontoxic.

### Is al2 so4 3 an acid or base?

Because of the polarity of the O-H bond, the H-atoms are somewhat like H+-ions. SO42- is all in all a very weak base, so Al3+ is easily a stronger acid and wins this battle, so Al2(SO4)3 is acidic. Whether a salt is acidic or basic depends on the acid/base constants for both ions.

### Is so4 an ion?

Sulphate anion has -2 charge or it can be said that net oxidation no of the ion is -2. It has -2 sign due to formal negative charge on oxygen. Formal charge of an atom = number of it”s valence electron before bonding – number of it”s valence electron after bonding.

Water

### What is the name of the compound whose formula is al2 so4 3?

Aluminium sulfate

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### How dangerous is aluminum sulfate?

Toxicity of Aluminum Sulfate
It is a skin and eye irritant, so if you are working with it, you should wear gloves and eye protection. If aluminum sulfate is ingested in some way, it is mildly hazardous because when the salt is ingested it can form sulfuric acid which is very corrosive.

### What is Formula Mass in chemistry?

The formula mass of a molecule (also known as formula weight) is the sum of the atomic weights of the atoms in the empirical formula of the compound. Formula weight is given in atomic mass units (amu).

### What is the atomicity of Aluminium sulphate?

Aluminum forms a +3 ion, Al+3, and sulfate is the -2, polyatomic ion, (SO4)-2. Aluminum sulfate”s chemical formula is Al2 (SO4)3. Molar mass is the mass of one mole of a substance. The molar mass of aluminum sulfate is 342.14 g/mole.

### Is aluminum sulfate an acid or base?

To most people, alum means hydrated aluminum sulfate, which is the salt of sulfuric acid (a strong acid) and aluminum hydroxide (a weak base). Alum is also known as papermakers” or filter alum.

### What is the use of Aluminium sulphate?

Aluminium sulfate is used in water purification and as a mordant in dyeing and printing textiles. In water purification, it causes suspended impurities to coagulate into larger particles and then settle to the bottom of the container (or be filtered out) more easily. This process is called coagulation or flocculation.

### Is Alum safe to eat?

Alum is an ingredient in some foods and quite a few non-edible products. If you”re careful about reading labels, you may wonder what alum is and whether it”s really safe. The answer is yes—usually—but in small amounts.

### What is the percent of oxygen in al2 so4 3?

Percent composition by element

Element Symbol Mass Percent
Aluminium Al 15.772%
Oxygen O 56.113%
Sulfur S 28.115%

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