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RideAnS [48]
3 years ago
9

a solution is prepared by mixing 360.0 mL of 0.25 M NaOH, 140.0 mL of 0.50 M NaOH, and 300.0 mL of distilled water. Assuming tha

t the volumes are additive, the molarity of NaOH in the resulting solution is
Chemistry
1 answer:
yulyashka [42]3 years ago
8 0
Yeah fr fr fr fr fr fr
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The IUPAC name for the common household cleaner, ammonia, is nitrogen trihydride. Identify the formula of ammonia.
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Answer:NH3

Explanation:

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If you hold a jar over a lit candle,a dark residue forms on the inside of the jar. This residue is
ollegr [7]

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carbon

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3 years ago
If the pH of a 1.00-in. rainfall over 1800 miles2 is 3.70, how many kilograms of sulfuric acid, H2SO4, are present, assuming tha
NARA [144]
There are 2.32 x 10^6 kg sulfuric acid in the rainfall. 

Solution: 
We can find the volume of the solution by the product of 1.00 in and 1800 miles2: 
     1800 miles2 * 2.59e+6 sq m / 1 sq mi = 4.662 x 10^9 sq m 
     1.00 in * 1 m / 39.3701 in = 0.0254 m  
     Volume = 4.662 x 10^9 m^2 * 0.0254 m
                  = 1.184 x 10^8 m^3 * 1000 L / 1 m3
                  = 1.184 x 10^11 Liters 

We get the molarity of H2SO4 from the concentration of [H+] given by pH = 3.70: 
     [H+] = 10^-pH = 10^-3.7 = 0.000200 M 
     [H2SO4] = 0.000100 M  
 
By multiplying the molarity of sulfuric acid by the volume of the solution, we can get the number of moles of sulfuric acid: 
     1.184 x 10^11 L * 0.000100 mol/L H2SO4 = 2.36 x 10^7 moles H2SO4 

We can now calculate for the mass of sulfuric acid in the rainfall: 
     mass of H2SO4 = 2.36 x 10^7 moles * 98.079 g/mol
                               = 2.32 x 10^9 g * 1 kg / 1000 g
                               = 2.32 x 10^6 kg H2SO4
3 0
4 years ago
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At equilibrium, a 1.00 M OClÈ solution has an [OHÈ] of 5.75 × 10ÈÊ M. Which of the following is the correct pH of the solution?
omeli [17]
<span>pOH = 9.2 

pH = 4.8</span><span>
That's your </span>answer!!

Hope I helped!! :)
3 0
3 years ago
Which of the following is the best definition of nuclear fission?
Reika [66]

Answer:

C

Explanation:

Nuclear fission is a process where the nucleus of an atom is split into two or more smaller nuclei, known as fission products.

8 0
3 years ago
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