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myrzilka [38]
3 years ago
13

What is the hydroxide ion concentration in a water solution that has a hydronium ion concentration of 5.36*10-8 M?

Chemistry
1 answer:
Tanzania [10]3 years ago
8 0

Answer:

that I have a panda but the black on it and I have a panda but the black on it and I have a panda but the black on it and I have no clue u

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Chlorine is used by textile manufacturers to bleach cloth. Excess chlorine is destroyed by its reaction with sodium thiosulfate,
harina [27]
Na2S2O3(aq) + 4Cl2( g) + 5H2O = 2NaHSO4(aq) + 8HCl(aq)

1)How many moles of HCl can form from 0.21 mol of Cl2?
0.21 mol Cl2 ( 8 mol HCl / 4 mol Cl2 ) = 0.42 mol HCl

2)How many moles of H2O are required for the reaction of 0.18 mol of Cl2?
0.18 mol Cl2 ( 5 mol H2O / 4 mol Cl2 ) = 0.225 mol H2O

3)How many moles of H2O react if 0.50 mol HCl is formed?
0.50 mol HCl ( 5 mol H2O / 8 mol HCl ) = 0.3125 mol H2O
6 0
3 years ago
A class investigated the reactivity of four metals by dropping little pieces of the
Pavlova-9 [17]

The least reactive metal is lead, since it reacted with none of the salt solutions.

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3 years ago
Question attached ! asap please
bezimeni [28]

Answer:

A. copper is highly water soluble. It will turn into 5 different hydrates as it absorbs more and more water.

b. Glycerol is easily soluble in water, due to the ability of the polyol groups to form hydrogen bonds with water molecules

c. octane is considered to be non-polar, it will not be soluble in water, since water is a polar solvent. This will happen because octane (hydrocarbons in general) contains neither ionic groups, nor polar functional groups that can interact with water molecules.

d. Nitric acid decomposes into water, nitrogen dioxide, and oxygen, forming a brownish yellow solution.

e. Barium carbonate is a white powder. It is insoluble in water and soluble in most acids

Explanation:

6 0
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Ray Of Light [21]
Reactant is the left side. 4+3=7
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Which of the answer choices correctly describes a phase change that occurs when a solid transitions directly into a gas state wi
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The change directly from solid to gas is called sublimation
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