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Luden [163]
3 years ago
5

A compound has a pH of 3 what is the [H+] concentration?

Chemistry
1 answer:
Allisa [31]3 years ago
8 0

Answer: 0.001 M

Explanation:

pH is the negative logarithm of hydrogen ion concentration in a solution. Mathematically, pH is expressed as

pH = -log(H+)

where H+ is hydrogen ion concentration

So, 3 = -log(H+)

(H+) = Antilog (-3)

(H+) = 0.001

Thus, [H+] concentration is 0.001 M

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3 years ago
In the reaction of sodium and oxygen, which atom is the reducing agent?
pishuonlain [190]
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8 0
3 years ago
. How many grams of magnesium chloride can be produced by reacting 2 moles of chlorine gas with excess magnesium bromide? ____Cl
dlinn [17]

Answer: 190 g of magnesium chloride can be produced by reacting 2 moles of chlorine gas with excess magnesium bromide.

Explanation:

The balanced chemical reaction is;

Cl_2+MgBr_2\rightarrow MgCl_2+Br_2

Cl_2 is the limiting reagent as it limits the formation of product and MgBr_2 is the excess reagent.

According to stoichiometry :

1 mole of Cl_2 produces = 1 mole of MgCl_2

Thus 2 moles of Cl_2 will produce=\frac{1}{1}\times 2=2moles  of MgCl_2

 Mass of MgCl_2=moles\times {\text {Molar mass}}=2moles\times 95g/mol=190g

Thus 190 g of magnesium chloride can be produced by reacting 2 moles of chlorine gas with excess magnesium bromide

5 0
3 years ago
While in science class a student measured a cube. She
alexira [117]

Answer:

7cm

Explanation:

6 0
4 years ago
Some plants can reproduce both sexually and asexually. Explain one benefit of this dual reproduction capability.
pantera1 [17]

Answer:

An additional advantage of asexual reproduction is that colonization of new habitats may be easier when an individual does not need to find a mate to reproduce. During sexual reproduction the genetic material of two individuals is combined to produce genetically diverse offspring that differ from their parents.

Explanation:

An organism has many benefits for having the ability to reproduce both sexually and asexually. The first of these benefits is that it doesn't have to find a mate in order to reproduce, so it can create offspring by itself, and enable the continuation of its' species.

If you need more help on this subject, don't be afraid to ask me. I'm willing to help.

8 0
3 years ago
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