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Hydrogen.
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∙ 13y ago
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What element makes up about 75 percent of the sun's mass?
Hydrogen
What element makes up seventy five percent of the suns mass?
Hydrogen.
If 75 percent of the isotopes of an element have a mass of 35.0 amu and 25 percent of the isotopes have a mass of 37.0amu what is the atomic mass of the element?
35.5 amu
What the mass percent composition of an element in a molecule?
Percentage composition= (mass of the element/mass of the molecule)*100 The fraction of the molecule's mass that comes from the element's mass
What is the mass percent composition of an element in a compound?
This is the percent chemical composition.
What does the mass percent of an element tell you about molecule?
it tells you how much of the molecule the element is
What does mass percent of an element tell you about a molecule?
it tells you how much of the molecule the element is
What is the mass percent composition of an element in a molecule?
Percentage composition= (mass of the element/mass of the molecule)*100 The fraction of the molecule's mass that comes from the element's mass
What is the formula for mass percent?
mass % of element X = mass of element X ____________________ X 100 total mass of compound or mass of solute _____________________________ X 100 mass of solute + mass of solvent
What is the percent compistion of a compound?
The percent composition of a compound tells the amount of each element in the compound as a percentage. It is possible to find if the mass of an element and the total mass of the compound is known.
HOW TO GET percent of magnesium by mass?
You take the mass and divide it by the total mass of the element. Magnesium by itself is 100%.
What is the percent of chlorine in the compound SnCl4?
The percent of Chlorine in the compound SnCl4 is 54.434% along with an atomic mass of 35.453. The percentage is the equivalent of the mass percent of this element.
