2 years ago

Quien quiere ser mi amigo

Chemistry

1 answer:

vfiekz [6]2 years ago

7 0

Answer:

Me encantaría

Explanation:

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A property is a characteristic of a substance that can be observed and does not change the identity of the substance. T/F

Murljashka [212]

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lbvjy [14]

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is a way of presenting information about the chemical proportions of atoms

Explanation:

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3 years ago

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

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

Sulfur :

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

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

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2 years ago

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