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3 years ago

How many grams are in 6.04 x 10^22 particles of AICI3

1 answer:

4 0

Answer: 333.415 grams. This is a very simple chemistry question, which sounds alot like a homework question I did a while ago ;)

Assuming this is a homework question, it doesn't seem that you need to deal with things like impurities, the reactants aren't any special isotopes, you wont be using significant digits, that aluminum is the limiting reactant ect.

anyways, here is how its done.

Your general equation is Al + 3Cl -> AlCl3

A mole of Aluminum weighs 26.98 grams.

26.98 x 2.5 = 67.45 (so that is the weight of the aluminum in your AlCl3 compound.

Now lets add the weight of the Cl.

the molar mass of chlorine is 35.45 grams/mole.

This is where it can get tricky. According to your general equation, you will be using 3 moles of Cl for every mole of Al. So you will actually be calculating the weight of 7.5 moles of Cl.

35.45 x 7.5 = 265.875.

Lets add up the total weight of your product now.

256.875 + 67.45 = 333.415 grams.

Therefore you will have 333.415 grams of AlCl3 if you react 2.5 moles of aluminum completely with Cl2 (a diatomic gas) to create AlCl3

Explanation:

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Which of the following is true about mechanical waves?

uranmaximum [27]

Answer:

C, Moves energy.

i hope this helped at all. sorry if its incorrect, have a good day.

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2 years ago

Explain why the dissociation of a weak acid can be ignored when calculating the pH of a solution that contains both a weak acid

Sliva [168]

Answer:

The answer is in the explanation.

Explanation:

The dissociation of a weak acid consist in the following equilibrium:

HX ⇄ H⁺ + X⁻

Where Ka is defined as:

Ka = [H⁺] [X⁻] / [HX]

A strong acid (HY) dissociates completely in water, thus:

HY → H⁺ + Y⁻

As the strong acid produces H⁺, in the equilibrium, the reaction shifts to the left -The undissociated form-, reducing the production of H⁺, allowing ignore the dissociation of the weak acid when calculating the pH.

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3 years ago

A student has a sample of isopropanol (C3H,OH) that has a mass of 78.6 g. The molar mass of isopropanol is 60.1 g/mol. How

Sauron [17]

I think it goes like this.

mass = 78.6 g
molar mass = 60.1 g/mol
amount (in mols) = mass/mol
78.6 g / 60.1 g/mol = 1.30782 mol

^^rounded to 3 sig figs, final answer = 1.31mol

4 0

4 years ago

Read 2 more answers

What gas is the product of propane burning

GaryK [48]

I believe propane burns to form water vapor and carbon dioxide

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3 years ago

1.What is desalination?

Andreas93 [3]

Answer:

1. The process of removal of the dissolved salts from sea/ocean water is called desalination.

2.Well and Spring water contains dissolved impurities but not suspended imputites or germs because they have been filtered through different layers of soil.Thus, well water and spring water is pure and safe to drink.

3 Rain water is the purest form of water.

4.The interconversion of the three state of water aldo occurs in nature which is known as water cycle.

5. a) Due to water cycle, it rains. Raining is very important because agricultural production depends on it.

b) Controls the climatic conditions all over the world.

Explanation:

4 0

3 years ago