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DaniilM [7]
3 years ago
10

How many moles of gold are there in 3.73 x 10^24 atoms of gold?

Chemistry
1 answer:
BARSIC [14]3 years ago
4 0

Answer:

6.2moles of Gold

Explanation:

To solve this problem, we are going to use the mole concept approach.

 Given that;

  Number of atoms of gold is 3.73 x 10²⁴ atoms

Now;

  In 1 mole of any substance, we have 6.02 x 10²³ atoms;

   So;

  If there  6.02 x 10²³ atoms in  1 mole of any substance;

                 3.73 x 10²⁴ atoms will contain  \frac{3.73 x 10^{24} }{6.02 x 10^{23} }    = 6.2moles of Gold

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How might you think it is possible to convert from moles to particles or grams to particles?
nevsk [136]

Explanation:

To convert moles to particles or grams to particles, let us have a firm understanding of what a mole is.

A mole is the unit of measuring quantity of particles.

It is the amount of substance that contains the Avogadro's number of particles.

The particle can be atoms, molecules, formula units, electrons, protons, neutrons, etc.

 So, to convert from moles to particles;

    1 mole of a substance  contains 6.02 x 10²³ particles

To convert from grams to particles;

  First convert to moles;

        number of moles  = \frac{mass}{molar mass}  

  So,    1 mole of a substance  contains 6.02 x 10²³ particles

4 0
3 years ago
Abiotic factors are no living part of an environment. True or False​
oksian1 [2.3K]

Answer:

true

Explanation:

abiotic means nonliving and biotic means living

6 0
3 years ago
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Lewis dot structure for Ca(OH)2
denis23 [38]
I hope this helps you

6 0
3 years ago
onsider the structure. a carbon is bonded to two three carbon chains and a branched alkane. the branched alkane is a 2 carbon ch
pshichka [43]

If we consider a structure in which a carbon is bonded to two three carbon chains and a branched alkane then the branched alkane is a 2 carbon chain with a  ethyl on Carbon 1 then the correct name of the structure is <u>4-(isopropyl)heptane. </u>

The two three carbon chains bonded to the carbon atom will form the parent chain of this structure and this chain will have 7 carbon atoms in it.

Since this chain is that of an alkane and it has no functional group attached so the root name will be heptane.

Now, we have to add a prefix by naming the branched alkyl chain. The branched chain has 3 carbon atoms in it with a methyl group on carbon 1.

So, this name of this group will be propyl.

The position of this propyl group is 4th on the parent chain so the full name of the structure will be 4-(isopropyl)heptane.

To know more of branched alkane here

brainly.com/question/14507628

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4 0
1 year ago
A solution of potassium (k2cro4) when added to a solution of lead(ii) acetate (pb(ch3coo)2 produces a yellow precipitate of lead
maria [59]
Let's write the balanced chemical reaction for this:

K₂CrO₄ + Pb(CH₃COO)₂ --> PbCrO₄ + 2 CH₃COOK

The products are lead(ii) chromate and potassium acetate. As you can notice, there is an exchange of ions involved for both reactants. This type ofreaction is called the <em>double-replacement reaction or also called metathesis</em>.
4 0
3 years ago
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