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2 years ago

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Chemistry

1 answer:

Varvara68 [4.7K]2 years ago

6 0

Answer:

dolo HAHAHAAHAHHAHAHAHA

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3 years ago

What does potassium hydroxide and sulphuric acid make?

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Base + Acid = Water + Salt

It makes salt water... water and potassium sulfate

Balanced rxn is:

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2 years ago

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What is the charge of the nucleus in an Adam of oxygen -17

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2 years ago

Convert 5.50 mol of MgO to g.

Fiesta28 [93]

Answer:

5.50 moles of magnesium oxide is 221.6742 grams

Explanation:

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1 year ago

PLEASE HELP!!!!!!!!!

andreev551 [17]

The average atomic mass of the imaginary element : 47.255 amu

<h3>Further explanation </h3>

The elements in nature have several types of isotopes

Isotopes are elements that have the same Atomic Number (Proton)

Atomic mass is the average atomic mass of all its isotopes

Mass atom X = mass isotope 1 . % + mass isotope 2.% ..

isotope E-47 47.011 amu, 87.34%

isotope E-48 48.008 amu, 6.895

isotope E-49 50.009 amu, 5.77%

The average atomic mass :

$\tt avg~mass=0.8734\times 47.011+0.06895\times 48.008+0.0577\times 50.009\\\\avg~mass=41.059+3.310+2.886\\\\avg~mass=47.255~amu$

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2 years ago