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MAXImum [283]
3 years ago
6

What is the empirical formula for a compound if a sample contains 1.0 g of s and 1.5 g of o?

Chemistry
1 answer:
Karo-lina-s [1.5K]3 years ago
4 0
The key principle here is to find the mole ratio of each element to know the empirical formula. First we need to convert the mass to moles by using the molar mass of each element. The molar mass of S is 32 and O is 16 grams/mole. The moles of S and O given the mass is 0.03125 and 0.09375 moles, respectively. The compound would need 3 moles of O per S. the compound is SO3 
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3 years ago
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Draw the product of the hydrogenation of cis-2-pentene. draw all hydrogen atoms. g
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Water expands in volume as it freezes, because it's molecules form an open ___ structure
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Because it is Disordered
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3 years ago
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tino4ka555 [31]
1) period
2) the answer is D) I because they are in the same column
3) B)Ge because they are in the same column
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4 0
3 years ago
The half-life of radon gas is approximately four days. Four weeks after the introduction of radon into a sealed room, the fracti
maksim [4K]

The fraction of the original amount remaining is closest to 1/128

<h3>Determination of the number of half-lives</h3>
  • Half-life (t½) = 4 days
  • Time (t) = 4 weeks = 4 × 7 = 28 days
  • Number of half-lives (n) =?

n = t / t½

n = 28 / 4

n = 7

<h3>How to determine the amount remaining </h3>
  • Original amount (N₀) = 100 g
  • Number of half-lives (n) = 7
  • Amount remaining (N)=?

N = N₀ / 2ⁿ

N = 100 / 2⁷

N = 0.78125 g

<h3>How to determine the fraction remaining </h3>
  • Original amount (N₀) = 100 g
  • Amount remaining (N)= 0.78125 g
  • Fraction remaining =?

Fraction remaining = N / N₀

Fraction remaining = 0.78125 / 100

Fraction remaining = 1/128

Learn more about half life:

brainly.com/question/26374513

7 0
2 years ago
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