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ArbitrLikvidat [17]
3 years ago
7

Which of the following is true about elements?

Chemistry
1 answer:
kondor19780726 [428]3 years ago
6 0

Answer:

The first one

Explanation:

Elements are as simple as it gets

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What is the total gas pressure in a sealed flask that contains oxygen at a partial pressure of 0.35 atm and water vapor at a par
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What is the percent composition of each of the elements in Al(OH) 3 ?
stellarik [79]

Answer:

<em>Answer Below</em>

Explanation:

Percent composition by element

<u>Element </u>       <u>Symbol</u>  <u>Mass Percent</u>

Aluminium <u>Al</u>          34.590%

Hydrogen <u>H</u>          3.877%

Oxygen         <u>O</u>          61.533%

3 0
3 years ago
Read 2 more answers
Can someone explain to me how to do this??!!!
pantera1 [17]
Al is 1.
As for NO3,it is one entity, an the whole thing is being multiplied by 3. Use the distributive property from math.
N is 3.
And O is 9.
In total, there are 13 atoms.
6 0
3 years ago
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