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Is helium gas a pure substance or mixture?
Helium is pure as it is on the periodic table.
How many moles does 205 g of helium contain?
Helium exists as a monatomic noble gas. Its atomic mass is 4.0 as can be obtained from the periodic table. The amount of helium in a 205g pure sample is given by 205/4.0 which equates to roughly 51 moles.
Is helium gas a pure substance?
Yes, helium gas is considered a pure substance because it is made up of only helium atoms. It is a unique element with its own distinct chemical properties and characteristics.
Is helium a pure substance or a homogeneous or heterogeneous mixture?
Helium is an element which makes it a pure substance.
Is helium gas a mixture?
No. Helium is an element, which makes it a pure substance.
How do you make a pure sample of krypton?
Fractional Distillation. When you boil all of the water, nitrogen, oxygen, helium, and argon out of the air, you are left with krypton.
How do you make a pure sample of fluorine?
No you cannot make a pure sample of Fluorine because it is an earth made element.
How do you make a pure sample of cobalt?
boobies
Is helium gas a pure substance or mixture?
Helium is pure as it is on the periodic table.
Is helium is pure or mixture?
Helium is a pure substance
Is helium gas mixture or pure substances?
Helium gas is a pure substance
Is helium used pure or is it part of a compound?
Helium is used as it is/pure. Helium is an inert gas and does not form part of compounds.
How many moles does 205 g of helium contain?
Helium exists as a monatomic noble gas. Its atomic mass is 4.0 as can be obtained from the periodic table. The amount of helium in a 205g pure sample is given by 205/4.0 which equates to roughly 51 moles.
How do you make a pure sample of rhodium?
i actually have no idea what im anwsering............help
Is He a pure element?
He stands for helium which is a pure element
Can helium be a pure form?
Helium found in atmosphere will have other gases as impurities. But it can be isolated by suitable method (generally by adsorption of gases) to get pure helium.
Is helium gas a pure substance?
Yes, helium gas is considered a pure substance because it is made up of only helium atoms. It is a unique element with its own distinct chemical properties and characteristics.
