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mixer [17]
2 years ago
5

What is the atomic mass of aluminium?

Chemistry
1 answer:
liraira [26]2 years ago
7 0
The atomic mass of Aluminum is 26.98

Hope this helps.
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C2h4 3 o2 2 co2 2 h2o
Marat540 [252]
Use the question marck Moles of CO2
The the giving = 0.624 mol O2
Find the CF faction = 1 mole=  32.00 of O2

O= 2x16.00= 32.00amu ( writte this in the cf fraction)
SET UP THE CHART
Always start with the giving

0.624 mol O2    /  1mol of CO2
___________  / _____________ = Cancel the queal ( O2)
                       / 32.00c O2
                      /
                     /
Multiply the top and divide by the bottom 
0.624 mol CO x 1mol CO2 = 0.624 divide by 32.00 O2 =0.0195
You should look at the giving number ( how many num u gor ever there) 
Ur answer should have the same # as ur givin so 
= 0.0195 
= .0195 mol of CO2
3 0
3 years ago
Whats the name of S4O6
IceJOKER [234]

Answer:

Sulfonic acid

Explanation:

I think this is correct

8 0
3 years ago
Read 2 more answers
Name the following compound with a polyatomic ion: Na₂SO₄ *
Helga [31]

Answer:

sodium sulfate

Explanation:

For naming an ionic compound with polyatomic anion, the metal is written first using its element name followed by name of the polyatomic anion. Therefore, the compound with Na+Na+ cation and SO2−4SO42− anion is named as sodium sulfate.

6 0
2 years ago
Read 2 more answers
An ion has a mass number of 65, 36 neutrons, and a charge of +1 . Identify the element symbol, and determine the number of proto
docker41 [41]

Answer:

Element symbol Cu

Number of protons 29

Number of electrons 28

Explanation:

To get the element symbol, we need the name of the element. To correctly identify the name of the element, we need the proton number.

Now the mass number is 65 and the number of neutrons is 36. The number of protons is this the mass number minus the number of neutrons. This equals 65 - 36 = 29 protons.

The element with 29 protons is copper Cu.

Now to get the number of electrons, for an electrically neutral atom , the number of electrons equals the number of protons. But here, the atom is not electrically neutral anymore as it has now formed a univalent positive ion of +1.

To form a positive ion, you have to do so by losing electrons. The atom in question here has just lost one electron. Thus, our of the 29, it is left with only 28 electrons.

8 0
3 years ago
Read 2 more answers
HELP PLEASEEEEE KAJAMAAKAOAAJAKAKJSMALASJSSJKSSKSJSMKSLWWMSMSKLSSLSKSMMSMSKSKSOSKSSMMSMSKSKSSKMSMSMSMSKSMMSNSSMMSMSMSMSMSKSKSLSL
wariber [46]

Answer:

the cirle of life

Explanation:

i am smart

8 0
2 years ago
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