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Vitek1552 [10]
2 years ago
6

5 ml of 2 normal naoh solution is to be completely neutralized by 100 ml of unknown concentration of h2so4 solution find the mas

s of h2so4 to Be measured to obtain such a solution
Chemistry
2 answers:
notka56 [123]2 years ago
8 0
I don’t know I’m here for the points sorry love
Nonamiya [84]2 years ago
7 0

Answer:

Try Your best! You can figure this out! I try to encourage people everyday!

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Draw a ionic Lewis dot structure for Ba + F<br><br> (Will give Brainliest for the best answer)
andreyandreev [35.5K]
Ionic Lewis Dot Structure for BaF2, hope this helps.

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3 years ago
10) Explain what arsenic had to do with preserving bodies in the past and how that related to Sylvester’s body. Tell me how the
Salsk061 [2.6K]
10) Arsenic is a chemical agent which was used in preserving dead bodies in the past. It is mainly a formaldehyde mixture with coloring agents to give a dead body the look of life. Sylvester was a third mummy that was embalmed with arsenic in the late 1800s and is now on exhibit at Ye Olde Curiosity Shop in Seattle, Washington. His mummified body showed an extremely unusual since the remains weighed approximately 80 lbs when a body is composed of 70-80% water, after dehydration, the weight should be about 20-30% the premortem weight. The solution was also used during Civil War to preserve dead bodies <span>as the dead were being shipped home from the battlefield.
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5 0
3 years ago
the radioisotope radon-222 has a half-life of 3.8 days. how much of a 65-g sample of radon-222 would be left after approximately
MariettaO [177]
Use the 1st order decay equation 
<span><span>Cfinal</span>=<span>Cinitial</span><span>e<span>−kt</span></span></span> 
by filling in and doing the math you will get:

<span> </span><span>Cfinal</span><span> = 1.11 grams Rn-222 after 23 days. 
 
hope this helps 

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7 0
2 years ago
What is the mass of 15 moles of carbon atoms? Round your answer to the nearest hundredth
Georgia [21]

In order to convert the moles of a substance to grams, you will need to multiply the mole value of the substance by its molar mass. More commonly written for this application as: where, is the molar mass of the substance.

Hope this helped

:)

4 0
3 years ago
Strontium carbonate + sulphuric acid, chemical equation​
tangare [24]
<h3>Answer:</h3>

SrCO₃ + H₂SO₄ → SrSO₄ + H₂O + CO₂

<h3>Explanation:</h3>

We are required to complete the chemical equation given;

strontium carbonate + sulfuric acid → ??

  • We know that, carbonates reacts with acids to form a salt, water and carbon dioxide.
  • Strontium carbonate reacts with sulfuric acid to form strontium sulfate, water and carbon dioxide.
  • Therefore, the equation for the reaction is;

SrCO₃ + H₂SO₄ → SrSO₄ + H₂O + CO₂

  • The equation is balanced as the number of atoms of each element are equal on both sides of the equation.
7 0
3 years ago
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