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3 years ago

KOH + HCl → KCl + H2O Which of the following is true about the equation?

Chemistry

2 answers:

Bess [88]3 years ago

8 0

Answer : The correct option is, KCl is the salt and KOH is the base.

Explanation :

Neutralization reaction : It is a type of reaction in which an acid react with a base to give a salt and water as a product.

The balanced chemical reaction is :

$KOH+HCl\rightarrow KCl+H_2O$

The given balanced reaction is an example of neutralization reaction in which KOH is a base and HCl is an acid when both combine the it gives KCl as a salt and $H_2O$ as a water.

Hence, the correct option is, KCl is the salt and KOH is the base.

rodikova [14]3 years ago

6 0

kcl is the salt koh is the base

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A chemist measures the amount of bromine liquid produced during an experiment. She finds that 14.4 g of of bromine liquid is pro

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Answer:

0.09 moles of Br₂

Explanation:

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Now to calculate the number of moles we use the following formula:

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For Br₂ molecule we have:

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4 years ago

What is the charge of an atom after it loses an electron during the formation of a bond

Mice21 [21]

Answer:

One positve charge

Explanation:

A neural atom is one that has equal number of protons and electrons. The protons are the positively charged subatomic particles in an atom. The electrons are the negatively charged particles in an atom.

For an atom to be charged during bond formation, it must lose or gain electrons. The number of electrons lost or gained conditions the charge on the ions it forms.

If in a neutral atom, it loses an electron, we see that the number of protons will now be more than the number of electrons by the 1 electron it lost. The charge will then be +1.

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4 years ago

As the number of solute particles in a solution increases, the effect on the freezing point of the solution increases. Which ion

Ivahew [28]

Answer:

AlCl₃.

Explanation:

Adding solute to water causes depression of the boiling point.

The depression in freezing point (ΔTf) can be calculated using the relation:

ΔTf = i.Kf.m,

where, ΔTf is the depression in freezing point.

i is the van 't Hoff factor.

van 't Hoff factor is the ratio between the actual concentration of particles produced when the substance is dissolved and the concentration of a substance as calculated from its mass. For most non-electrolytes dissolved in water, the van 't Hoff factor is essentially 1.

Kf is the molal depression constant of water.

m is the molality of the solution (m = 1.0 m, for all solutions).

(1) NaCl:

i for NaCl = no. of particles produced when the substance is dissolved/no. of original particle = 2/1 = 2.

∴ ΔTb for (NaCl) = i.Kb.m = (2)(Kf)(1.0 m) = 2(Kf).

(2) MgCl₂:

i for MgCl₂ = no. of particles produced when the substance is dissolved/no. of original particle = 3/1 = 3.

∴ ΔTb for (MgCl₂) = i.Kb.m = (3)(Kf)(1.0 m) = 3(Kf).

(3) NaCl:

i for KBr = no. of particles produced when the substance is dissolved/no. of original particle = 2/1 = 2.

∴ ΔTb for (KBr) = i.Kb.m = (2)(Kf)(1.0 m) = 2(Kf).

(4) AlCl₃:

i for AlCl₃ = no. of particles produced when the substance is dissolved/no. of original particle = 4/1 = 4.

∴ ΔTb for (CoCl₃) = i.Kb.m = (4)(Kf)(1.0 m) = 4(Kf).

So, the ionic compound will lower the freezing point the most is: AlCl₃.

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