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3 years ago

3 Compare How is the concentration of H 0+ ions and OH- ions different in an acid solution and a basic solution?

Chemistry

2 answers:

Mariulka [41]3 years ago

6 0

Explanation:

Basically, the hydroxonium ions, H3O+ are responsible for the acidity of a solution and the hydroxide ions, OH- are responsible for the basicity of a solution.

In an acid solution;

The concentration of the hydroxonium ions is greater than that of the hydroxide ions.

In a basic solution;

The concentration of the hydroxide ions is greater than that of the hydroxonium ions.

Tanzania [10]3 years ago

4 0

it said answer for 5 + points

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nadya68 [22]

Answer:

moles H₂O = 10

Explanation:

The mass of Na₂CO₃⋅xH₂O is 3.837 g and the mass of Na₂CO₃ is 1.42g

Therefore the mass of xH₂O is 3.837 - 1.42 = 2.417 g

The molar mass of Na₂CO₃ is 106 g/mol and for H₂O is 18 g/mol

The moles of Na₂CO₃ and H₂O in the sample are:

Na₂CO₃ = 1.42 / 106 = 0.01340 moles

H₂O = 2.417 / 18 = 0.1343

Now using rule of three :

1 mole of Na₂CO₃ has x moles of H₂O

0.01340 moles of Na₂CO₃ has 0.1343 moles of H₂O

x = 1 * 0.1343 / 0.01340 = 10

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3 years ago

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boyakko [2]

Answer:

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3 years ago

Assume a hydrogen atom has an electron in the n-level corresponding to the month of your birthday (jan = 1, feb = 2, etc.) calcu

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3 years ago

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TRUE or FALSE

andriy [413]

Answer:

1. true

2. false

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Explanation:

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2 years ago

What is the appropriate chemical formula for Iron(III) Sulfate? Sulfate is SO_4^2 Fe3SO4 O a . Fe2(SO4)3 O b. O c. Fe2SO4 O d. F

AnnyKZ [126]

<u>Answer:</u> The chemical formula of Iron (III) sulfate is $Fe_2(SO_4)_3$

<u>Explanation:</u>

Iron is the 26th element of periodic table having electronic configuration of $[Ar]3d^64s^2$ .

To form $Fe^{3+}$ ion, this element will loose 3 electrons.

Sulfate ion is a polyatomic ion having chemical formula of $SO_4^{2-}$

By criss-cross method, the oxidation state of the ions gets exchanged and they form the subscripts of the other ions. This results in the formation of a neutral compound.

So, the chemical formula for Iron (III) sulfate is $Fe_2(SO_4)_3$

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3 years ago