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2 years ago

How many moles of carbon dioxide can be formed by the decomposition of 5.0 moles of aluminium carbonate

Chemistry

1 answer:

Ksenya-84 [330]2 years ago

3 0

Answer:

30 moles of CO₂

Explanation:

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7. I have 2.50 x 1023 atoms of titanium. How many moles of titanium dol have?

algol13

Answer:

0.42mole

Explanation:

Given parameters:

Number of atoms of titanium = 2.5 x 10²³atoms

Unknown:

Number of moles = ?

Solution:

To solve this problem, we must understand that a mole of any substance contains the Avogadro's number of particles.

6.02 x 10²³ atoms makes up 1 mole of an atom

2.5 x 10²³ atoms will contain $\frac{2.5 x 10^{23} }{6.02 x 10^{23} }$ = 0.42mole

4 0

3 years ago

Ta, Os, Th are from metal?

Alex787 [66]

Answer:

Tantalium is a Transition metal.

Osmium is a Transition metal.

Thorium is radioactive Metal.

6 0

3 years ago

Which element has the larger Zell

Eddi Din [679]

Answer:

Explanation:

because of potassium and lithium belongs to

alkali metals

6 0

3 years ago

What is the molarity of a NaOH solution if 28.2 mL of a 0.355 M H2SO4 solution is required to neutralize a 25.0-mL sample of the

Anni [7]

Answer:

A) 0.801

Explanation:

The reaction that takes place is:

2NaOH + H₂SO₄ → Na₂SO₄ + 2H₂O

First we calculate the H₂SO₄ moles that reacted:

0.355 M * 28.2 mL = 10.011 mmol H₂SO₄

Now we convert H₂SO₄ moles to NaOH moles:

10.011 mmol H₂SO₄ * $\frac{2mmolNaOH}{1mmolH_2SO_4}$ = 20.022 mmol NaOH

Finally we calculate the molarity of the NaOH solution:

20.022 mmol NaOH / 25.0 mL = 0.801 M

So the answer is option A.

3 0

3 years ago

HELP ASAP

xenn [34]

Answer:

Option A) oxygen

Explanation:

Oxygen gas it the electrolysis of an aqueous solution of sodium nitrate which a gas forms at anode it is called the oxygen gas

maybe this answer might help u out

3 0

3 years ago

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