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Brilliant_brown [7]
3 years ago
10

Will having brainly plus allow you to post unlimited questions?

Chemistry
1 answer:
Sedaia [141]3 years ago
5 0

I don’t think so maybe search it up!

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If 100 mL of a 12 M solution of HCl is diluted to a final volume of 500 mL, what would be the final concentration of the diluted
AURORKA [14]
Dilution formula:
mv = MV

where one side is concentration × volume BEFORE dilution and the other side is concentration × volume AFTER dilution. 

(100mL) × (12 M) = (500mL) × (X)
(1200 M·mL) = (500mL) × (X)
(1200 M·mL) / (500mL) = X
2.4 M = X

3 0
3 years ago
Which of these is measured during a scientific investigation?
ivanzaharov [21]

all of above in order to conclude this scientific experiment

6 0
4 years ago
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What is a glass rod used for in chemistry and biology laboratory?
Irina18 [472]
The glass rod is a piece of laboratory equipment and it is used for the mixing of  <span> chemicals and other liquids.</span>
4 0
4 years ago
Calculate the mass of butane needed to produce 72.9 grams of carbon dioxide
morpeh [17]
I got you 
The molecular formula for the combustion of butane in oxygen is:
2 C4H10 + 13 O2 ---> 8 CO2 + 10 H20

<span>You take the mass of carbon dioxide, 56.8g, divide by its molar mass, 44.01g/mol, to produce the moles of carbon dioxide. This is multiplied by the molar ratio of butane/CO2, (2/8) = 1/4, which gives the moles of butane required to produce the carbon dioxide. Multiply the number of moles of butane by its molar mass, 58.12g/mol, to produce the mass of butane. Mass of butane = 18.8g</span>
8 0
3 years ago
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Which substance has a molar mass of 133.3 g? BaCl2 P2O5  AlCl3 MgCl2
sammy [17]
The answer is AlCl3, it’s 133.34g/mol
4 0
3 years ago
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