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3 years ago

When electricity is passed through a common salt solution. Sodium hydroxide is

Chemistry

1 answer:

jolli1 [7]3 years ago

8 0

Answer:

a)oxygen and chlorine

b) H20+NaCl= NaOH + O+ Cl

c) Cl2+ Ca(OH)2=CaOCl2+CaCl2 +HCL

Explanation:

electricity splits up the molecules for water and hydrogen displaces chlorine because its is more reactive.

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If you exhale 7.25×10 to the 24th power molecules of CO2. How many moles of CO3 do you exhale?

Assoli18 [71]

None since CO3 does not exist.

7 0

3 years ago

Chemistry

postnew [5]

There are 48.72 g Fluorine ions

<h3>Further explanation </h3>

Proust stated the Comparative Law that compounds are formed from elements with the same Mass Comparison so that the compound has a fixed composition of elements

In the same compound, although from different sources and formed by different processes, it will still have the same composition/comparison

%F in CaF₂ :

$\tt \%F=\dfrac{2.Ar~F}{MW~CaF_2}\times 100\%\\\\\%F=\dfrac{2.19}{78}\times 100\5=48.72\%$

mass of Fluorine :

$\tt 48.72\%\times 200=97.44~g$

So mass Fluorine ions(2 ions F in CaF₂⇒Ca²⁺+2F⁻) :

$\tt =\dfrac{97.44}{2}=48.72~g$

7 0

2 years ago

A large rift valley can be found along the east coast of Africa. It has been slowly widening over time, and it is now wide enoug

Serjik [45]

Answer:

wind and water erosion

4 0

3 years ago

Read 2 more answers

How many electrons in mole will discharge<br>2g of Copper 2 ions

Karo-lina-s [1.5K]

Explanation:

96.485 columbs=1 faraday will

deposit 64/2g= 32 g cu ion

therfore it will require

96,485 ×2/32 =? coulombs or 1/16 of

Faraday= 1 / 16 mole of electrons .

7 0

3 years ago

Atoms of which element have the most valence electrons?

grin007 [14]

Explanation:

neon has 8valence electrons

chroline has 7 valence electrons

nitrogen has 5 valence electrons

oxygen has 6 valence electrons

so neon has the most valence elctrons

6 0

3 years ago