What is "Molar" Volume?

I had recently been studying about Molar Volume in chemistry. What is it? And is it okay to say that:
Density (ρ) = Molar Mass/Molar Volume

Note by Vasu Khera
2 months, 1 week ago

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1 vote

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Yes your statement is true. Molar Volume is the amount of space that the molar mass(amount of matter) occupies. This is what gives us formula for density @Vasu Khera :)

Percy Jackson - 2 months, 1 week ago

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Vm=VnV_m=\cfrac{V}{n}. This is a constant with a given pressure and temperature for any gases. Standard pressure and 0C:22,41dm3mol10^{\circ}C:22,41\text{dm}^3\cdot\text{mol}^{-1}

Páll Márton (no activity) - 2 months, 1 week ago

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Can you make it more clear? Please elaborate.

Vasu Khera - 2 months, 1 week ago

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What should I explain? The variables?

Páll Márton (no activity) - 2 months, 1 week ago

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No. I mean the concept. I'm pretty confused about it.

Vasu Khera - 2 months, 1 week ago

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@Vasu Khera About the constant?

Páll Márton (no activity) - 2 months, 1 week ago

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@Páll Márton (no activity) Not the constant. The "concept", the idea, what is it about?

Vasu Khera - 2 months, 1 week ago

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@Vasu Khera n=mM,m=ρV    n=ρVMn=\cfrac{m}{M},m=\rho V\implies n=\cfrac{\rho V}{M}, but ρ=MVmn=VVm\rho=\cfrac{M}{V_m}\therefore n=\cfrac{V}{V_m}

Páll Márton (no activity) - 2 months, 1 week ago

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@Páll Márton (no activity) This? (some text)

Páll Márton (no activity) - 2 months, 1 week ago

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@Páll Márton (no activity) No problem buddy. Don't bother.

Vasu Khera - 2 months, 1 week ago

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@Vasu Khera Moles is amount of matter. Molar Volume is how much volume that Mole(matter) occupies. So if a ball with mass 1 Mole occupies 1m31m^{3} volume, then the Molar Volume is 1m31 mole\dfrac{1m^{3}}{1 \ mole} or 1m3 per mole1m^{3} \ per \ mole

Percy Jackson - 2 months, 1 week ago

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@Percy Jackson But ain't "Mole" a number? How can something have a mass equal to a Mole?

Vasu Khera - 2 months, 1 week ago

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@Vasu Khera A mole of something has 6.022 × 10²³ atoms, so the ball has 6.022 × 10²³ number of atoms we can say. 6.022 × 10²³ is Avogadro's Number :)

Percy Jackson - 2 months, 1 week ago

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@Vasu Khera - link

Percy Jackson - 2 months, 1 week ago

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I thank you, buddy.

Vasu Khera - 2 months, 1 week ago

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No prob, chemistry is the one thing I'm good at LOL :)

Percy Jackson - 2 months, 1 week ago

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