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Akimi4 [234]
3 years ago
9

How many sulfur atoms are there in 5.52 mol of sulfur

Chemistry
2 answers:
PSYCHO15rus [73]3 years ago
6 0
Moles * Avogadro constant = 5.52 * <span>6.022 x 10^23</span>
Setler [38]3 years ago
4 0

Answer:

3.324.10^{24}

Explanation:

1 mol of sulfur has6.02.10^{23} (<em>constant of avogadro</em>) sulfur atoms

We want to know how many atoms there are in 5.52 moles of sulfure.

We apply a simple rule of three

1 mol\longrightarrow 6.022.10^{23} atoms \\ 5.52 mol \longrightarrow  x \\ x=\frac{(5.52)mol. 6.022.10^{23}atoms}{1mol}= 3.324.10^{24} atoms

In 5.52 moles of sulfur there are 3.324.10^{24}

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What leads to the formation of an ionic bond with Hg2+?
statuscvo [17]

The attraction of an SO_4^{2-} ion leads to the formation of an ionic bond with Hg^{2+}

<h3>What is an ionic bond?</h3>

Ionic bond, also called an electrovalent bond, type of linkage formed from the electrostatic attraction between oppositely charged ions in a chemical compound.

Since the question asking among all these options:

(a) The attraction of a noble gas

(b) The attraction of a NH^{4+} ion

(c) The attraction of a group 1 element

(d) The attraction of a SO_4^{2-} ion

An ionic bond can be formed after two or more atoms lose or gain electrons to form an ion. Ionic bonds occur between metals, losing electrons, and nonmetals, gaining electrons.

Hence, option D is correct.

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7 0
1 year ago
Calculate the hydronium ion concentration in an aqueous solution with a poh of 4.33 at 25°c.
Jlenok [28]

Taking into account the definition of pH and pOH, the hydronium ion concentration in an aqueous solution with a pOH of 4.33 at 25°c is 2.138×10⁻¹⁰ M.

<h3>Definition of pH</h3>

pH is a measure of acidity or alkalinity that indicates the amount of hydrogen ions present in a solution or substance.

The pH is defined as the negative base 10 logarithm of the activity of hydrogen ions, that is, the concentration of hydrogen ions or  hydronium ion H₃O⁺:

pH= - log [H⁺]= - log [H₃O⁺]

<h3>Definition of pOH</h3>

Similarly, pOH is a measure of hydroxyl ions in a solution and is expressed as the logarithm of the concentration of OH⁻ ions, with the sign changed:

pOH= - log [OH⁻]

<h3>Relationship between pH and pOH</h3>

The following relationship can be established between pH and pOH:

pOH + pH= 14

<h3>Concentration of hydronium ions</h3>

Being pOH= 4.33, pH is calculated as:

pH + 4.33= 14

pH= 14 - 4.33

<u><em>pH= 9.67</em></u>

Replacing in the definition of pH the concentration of hydronium ions is obtained:

- log [H₃O⁺]= 9.67

Solving:

[H₃O⁺]= 10⁻⁹ ⁶⁷

<u><em>[H₃O⁺]= 2.138×10⁻¹⁰ M</em></u>

Finally, the hydronium ion concentration in an aqueous solution with a pOH of 4.33 at 25°c is 2.138×10⁻¹⁰ M.

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4 0
2 years ago
A sample of a gas in a rigid container at 35.0oC and 1.85 atm has its temperature increased to 48oC. What will be the new pressu
Scorpion4ik [409]

Answer:

Standard pressure is always 1.00atm. Example #1: How many moles of oxygen will occupy a volume of 2.50 L at STP? Standard temperature = 273K law.

Explanation:

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2 years ago
PLEASE HELP ME CLICK ON THE PICTURE AND YOU WILL SEE WHAT TO DO
andriy [413]

Answer:

A tick living on a dog and drinking it's blood = Parasitism

Birds that live among cattle too eat insects stirred up by grazing =  Mutualism

A clownfish living on the tentacles of an anemone provides nutrients too the anemone, and the clownfish is protected from predators = commensalism

A bear catching and eating a salmon from the river = predation

A bobcat catching and eating a rabbit = predation

A tapeworm living on the digestion system of a horse = parasitism

A Egyptian plover eating bugs off a giraffe or rhino  = Mutualism

Bees gathering nectar and then spreading pollen too a flower = commensalism

Explanation:

I hope i helped

5 0
2 years ago
Q. Read the given questions carefully and then select the appropriate answer
LUCKY_DIMON [66]

Answer:

a. moles divide by volume

Explanation:

Molarity, denoted by symbol M, refers to the molar concentration of a solution. It is calculated using the formula as follows:

Molarity = number of moles of a solute ÷ volume of the solvent

Since, number of moles (n) has the unit: moles and volume (V) has the standard unit: Litres, then the unit for molarity is moles/litre or M.

5 0
2 years ago
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