What is the expensive property of a substance

Chemistry

1 answer:

olya-2409 [2.1K]3 years ago

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How is n1 in the Rydberg equation related to the quantum number n in the Bohr model?

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Alove you!nswer:

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What is the percent composition by mass of sulfur in the compound mgso4

Margaret [11]

Answer:

26.7% is the percent composition by mass of sulfur in a compound named magnesium sulfate.

Explanation:

Molar mass of compound = 120 g/mol

Number of sulfur atom = 1

Atomic mass of sulfur = 32 g/mol

Percentage of element in compound :

$=\frac{\text{Number of atoms}\times \text{Atomic mass}}{\text{molar mas of compound}}\times 100$

Sulfur :

$=\frac{1\times 32 g/mol}{120 g/mol}\times 100=26.7\%$

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Two reasons that a plant from a rain forest would not survive in a desert home?

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How quickly must non-frozen ready-to-eat foods be consumed?

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Explanation:

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