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blondinia [14]
3 years ago
10

2 Points

Chemistry
1 answer:
barxatty [35]3 years ago
4 0

Answer:

it's food engineering obviously

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Use the atomic mass of indium to calculate the relative abundance of indium-113.
ASHA 777 [7]

The relative abundance of indium-113 is 4%.

The isotopes are species of the same element having the same atomic number but a different mass number.

The elements occurring in nature exist as multiple isotopes.

When we take into account the existence of these isotopes and their relative abundance (percent), the average atomic mass of that element can be computed, which is given by the following formula,

Average atomic Mass= (%age of isotope 1) x (Mass of isotope 1) + (%age of isotope 2) x (Mass of isotope 2)/100

Indium exists in the form of Indium-113 and Indium-115.

The mass of Indium-113 is 112.90 u.

The mass of Indium-115 is 114.90 u.

The average atomic mass of Indium is 114.82 u.

Let the %age of isotope 1(Indium-113) be X.

Then, the %age of isotope 2(Indium-115) would be 100-X.

Applying the values in the formula,

Average atomic mass = 112.90X+114.90(100-X)

114.82 = 112.90X+114.90(100-X)

On solving the above equation, the value of X comes out to be 4%.

Thus, the relative abundance/%age abundance of Indium-113 is 4%.

To know more about "Average Atomic Mass", refer to the following link:

brainly.com/question/13753702?referrer=searchResults

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1 year ago
Definition of metallurgy
iragen [17]
<span>Definition of Metallurgy-The branch of science and technology concerned with the properties of metals and their production and purification.</span>
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3 years ago
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What is the correct electron configuration for oxygen?
s344n2d4d5 [400]
It would be: 1s2, 2s2, 2p4
3 0
3 years ago
4. Write the chemical equation for the reaction that occurs when baking soda (NaHCO3) is
aev [14]

Answer: HCl+NaHCO₃=NaCl+CO₂+H₂O

Explanation:

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using the equation 2h2+o2--&gt;2h2o, if 192g of oxygen are produced, how many grams of hydrogen must react with it
UkoKoshka [18]
The balanced chemical reaction is:

<span>2H2+O2-->2H2O
</span>
To determine the mass of hydrogen that is needed, we need use the initial amount of oxygen and relate it to hydrogen from the reaction given. We do as follows:

192 g O2 ( 1 mol O2 / 32 g O2) ( 2 mol H2 / 1 mol O2 ) ( 2.02 g H2 / 1 mol H2 ) = 24.24 g H2
4 0
2 years ago
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