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Genrish500 [490]
3 years ago
5

What is stoichiometry used for

Chemistry
2 answers:
Julli [10]3 years ago
4 0

Answer:

Explanation:

they measures these quantitative relationships. But not dating relationships, but the amount of products and reactants that are produced or needed in a given reaction.

Dennis_Churaev [7]3 years ago
3 0

Answer:

Stoichiometry measures these quantitative relationships, and is used to determine the amount of products and reactants that are produced or needed in a given reaction.

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10. How many g of Cu(OH)2 can be made from 9.1 x 1025 atoms of O?
il63 [147K]
Molar mass Cu(OH)₂ = 97.561 g/mol

97.561 g Cu(OH)₂ --------------- 6.02x10²³ atoms
  ? g Cu(OH)₂ -------------------- 9.1x10²⁵ atoms

mass = 9.1x10²⁵ * 97.561 / 6.02x10²³

mass = 8.87x10²⁷ / 6.02x10²³

mass = 14734.2 g

hope this helps!
8 0
3 years ago
A sample of gold has a mass of 100 grams and a volume of 5cm^3, calculate the density by dividing the mass by volume
Dafna11 [192]

Answer:

20cm^2

Explanation:

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7 0
2 years ago
Hydrogen peroxide can be prepared by the reaction of barium peroxide with sulfuric acid according to the reaction BaO2(s)+H2SO4(
Vesna [10]

Answer:

VH2SO4 = 145.3 mL

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⇒according to the reaction:

mol BaO2 = mol H2SO4 = 0.545 mol

⇒ V H2SO4 = 0.545 mol H2SO4 * ( L H2SO4 / 3.75 mol H2SO4 )

⇒V H2SO4 = 0.1453 L (145.3 mL)

6 0
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Magnesium and oxygen are likely to form a covalent bond between them. True or false??
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False is the answer.
3 0
3 years ago
Why is water able to stick to the side of the glass?
Ira Lisetskai [31]
The answer is surface tension 
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