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3 years ago

If the [H3O+] of a solution is 1x 10-8 mol/L the [OH-] is

Chemistry

1 answer:

Studentka2010 [4]3 years ago

6 0

Answer:

(H30+)= 1x10^-6 M

Explanation:

Both pH and pOH have a relationship to belonging to the same aqueous solution: the expression of the Kwater (ionic product of the water Kw) is used:

1x 10-8 mol/L equals to1x10-8 M

(H3O+) x (OH-) = 1x10^-14

(H30+)x 1x 10^-8 =1x10^-14

(H30+)= 1x10^-14/1x 10^-8

(H30+)= 1x10^-6 M

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What are the empirical formulas of a) ethylene glycol, a radiator antifreeze, molecular formula C2H6O2 b) peroxodisulfuric acid,

Temka [501]

<h2>The answers are $CH_3O$ and $HSO_4$ </h2>

Explanation:

Given -

a) The molecular formula of ethylene glycol -

$C_2H_6O_2$

∴ The empirical formula of ethylene glycol will be -

$CH_3O$

Given -

b) The molecular formula of per-oxo-disulfuric acid (a compound used in bleaching agents) -

$H_2S_2O_8$

∴ The empirical formula of per-oxo-disulfuric acid will be -

$HSO_4$

Hence, the answers are $CH_3O$ and $HSO_4$ .

6 0

3 years ago

Which of these properties would be possessed by both acids and bases? note: we do not mean mixing both in the same solution. we

Firdavs [7]

Answer is: 3. they conduct electricity.
1) acids taste sour, bases taste bitter.
2) acid would react with metals and produce hydrogen gas:
Ca(s) + 2HCl(aq) → CaCl₂(aq) + H₂(g).
3) Acids and bases give ions in water solutions, so they conduct electricity.

An Arrhenius base is a substance that dissociates in water to form hydroxide ions (OH⁻).
In this example lithium hydroxide is an Arrhenius base:

LiOH(aq) → Li⁺(aq) + OH⁻(aq).

An Arrhenius acid is a substance that dissociates in water to form hydrogen ions or protons (H⁺).
For example hydrochloric acid: HCl(aq) → H⁺(aq) + Cl⁻(aq).

4) red litmus turn blue whe base is drop on it and blue litmus turn red when acid is drop on it.

5) bases have pH greater than 7, acids have pH less than 7.

5 0

3 years ago

Who placed all the elements in the right place according to their properties

REY [17]

Dmitri Mendeleev Was the name of the guy you where looking for

8 0

2 years ago

Write a balanced equation to show the reaction of sulfurous acid with caesium hydroxide to form water and caesium sulfite.

Soloha48 [4]

Answer:

H2SO3 + 2CsOH —> Cs2SO3 + 2H2O

Explanation:

When sulfurous acid react with caesium hydroxide, caesium sulfite and water are formed according to the equation:

H2SO3 + CsOH —> Cs2SO3 + H2O

Next, we balanced the equation by putting 2 in front of CsOH and 2 in front of H2O i.e

H2SO3 + 2CsOH —> Cs2SO3 + 2H2O

5 0

3 years ago

How many grams of carbon are in 6.32 moles?

Anit [1.1K]

Answer:

17.18 moles of NaCl are in 2,719 mL of a 6.32

Explanation:

7 0

3 years ago