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ratelena [41]
3 years ago
9

**PLATO QUESTION, PLEASE ANSWER CORRECTLY**

Chemistry
1 answer:
Ivenika [448]3 years ago
7 0
The corect answers will be:
1) A
2) B
3) D

Hope this helped :)
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Unknown element has two isotopes. Isotope A has a mass of 34 amu and abundance of 52%, isotope B has a mass of 33 amu and abunda
ZanzabumX [31]

Answer:

x = 33.52 amu

Explanation:

It is given that,

Isotope A has a mass of 34 amu and an abundance of 52%, isotope B has a mass of 33 amu and an abundance of 48%.

Let x is the average atomic mass of this element. It can be calculated as follows :

x=52\%\ \text{of}\ 34+48\%\ \text{of}\ 33\\\\x=\dfrac{52}{100}\times 34+\dfrac{48}{100}\times 33\\\\x=0.52\times 34+0.48\times 33\\\\x=33.52\ \text{amu}

So, the average atomic mass of this element is 33.52 amu.

4 0
3 years ago
Asap, I need help
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A. One that can be produced as fast as it’s used
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If you are trying to find the number of moles of gas present and you record a pressure of 123.3 kPa which value of R would you u
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Which of the following is diamagnetic?
zlopas [31]

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the answer is

E) All are paramagnetic

Explanation:

hope this helps u!!!

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Ladybugs eat aphids on plants. Ajoy counts the number of ladybugs in one square meter of his garden.
kirza4 [7]

To estimate the number of ladybugs in the entire garden, Ajoy needs the dimension of the garden.

<h3>What is a dimension?</h3>

Dimensions in mathematics are the measure of the size or distance of an object or region or space in one direction.

Dimensional measurement is of fundamental importance for interchangeability and global trade.

Hence, to estimate the number of ladybugs in the entire garden, Ajoy needs the dimension of the garden.

Learn more about dimensions here:

brainly.com/question/13314350

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