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Semenov [28]
3 years ago
8

PLEASE HELP ME What answer is it?

Chemistry
1 answer:
77julia77 [94]3 years ago
8 0
The answer is A if the temperature increases, then it’s volume will also increase
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Can I please Get Help with this question ‍♂️ ?
Nitella [24]

Answer:

Mg(NO4)2 is 180.3 g/mol

Explanation:

First find the substance formula.

Magnesium Nitrate.

Magnesium is a +2 charge.

Nitrate is a -1 charge.

So to balance the chemical formula,

We need 1 magnesium atom for every nitrate atom.

2(1) + 1(-2) = 0

So the substance formula is Mg(NO4)2.

Now find the molar mass of Mg(NO4)2.

Mg = 24.3 amu

N = 14.0 amu

O = 16.0 amu

They are three nitrogen and twelve oxygen atoms.

So you do this: 24.3 + 14.0(2) + 16.0(8) = 180.3 g/mol

So the molar is mass is 180.3 g/mol.

The final answer is Mg(NO4)2 is 180.3 g/mol

Hope it helped!

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3 years ago
Never mind wrong question
Leokris [45]
Its okay my friend. you dont need to over stress it.
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3 years ago
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When might neutralization reactions be used in a laboratory setting?
Ipatiy [6.2K]
Neutralization reactions can be used in a laboratory setting in order t<span>o dispose of chemicals. When spills happens, for instance an acid is on the floor, you can use a base to neutralize the spill. Hope this answers the question. Have a nice day.</span>
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2 years ago
How many liters of nitrogen dioxide are in 16 g of NO2 at STP?
mojhsa [17]

Answer: 23 liter

Explanation: Im pretty sure

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Please Help! Asap! :)
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I need details to solve for you

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