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4 years ago

Which characteristic best identifies an Arrhenius base

2 answers:

8 0

<span>Arrhenius base, such as NaOH(aq), produce hydroxide ions when dissolved in water. According to Arrhenius, base are compounds or ions that releases hydroxide (OH-) ions in its aqueous form which is true for NaOH.</span>

Jlenok [28]4 years ago

7 0

For edgeuity, I think that the answer is C) it must generate hydroxide ions in water

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3 years ago

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3 years ago

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3 years ago

How many grams of water will be produced if you start with 4.0 grams of hydrogen and an excess of oxygen given the following bal

denis-greek [22]

Taking into account the reaction stoichiometry, 36 grams of water (option B) will be produced if you start with 4.0 grams of hydrogen and an excess of oxygen.

<h3>Reaction stoichiometry</h3>

In first place, the balanced reaction is:

2 H₂+ O₂ → 2 H₂O

By reaction stoichiometry (that is, the relationship between the amount of reagents and products in a chemical reaction), the following amounts of moles of each compound participate in the reaction:

H₂: 2 moles
O₂: 1 mole
H₂O: 2 moles

The molar mass of the compounds is:

H₂: 2 g/mole
O₂: 32 g/mole
H₂O: 18 g/mole

Then, by reaction stoichiometry, the following mass quantities of each compound participate in the reaction:

H₂: 2 mole× 2 g/mole= 4 grams
O₂: 1 mole× 32 g/mole= 32 grams
H₂O: 2 moles× 18 g/mole= 36 grams

<h3>Mass of H₂O formed</h3>

You can see that by reaction stoichiometry 4 grams of H₂ form 36 grams of H₂O.

<h3>Summary</h3>

In summary, 36 grams of water (option B) will be produced if you start with 4.0 grams of hydrogen and an excess of oxygen.

Learn more about the reaction stoichiometry:

brainly.com/question/24741074

brainly.com/question/24653699

#SPJ1

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2 years ago