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**40.8 % nitrogen by mass**. What is the partial pressure of oxygen in the mixture if the total pressure is 685 mmHg ? Express you answer numerically in millimeters of mercury.

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## A gaseous mixture contains oxygen and nitrogen in the ratio of `1 : 4` by weight

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## What is the ratio of O2 and N2 in a mixture?

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Originally Answered: A gaseous mixture contains O2 and N2 in the ratio 1:4 by weight. Then, what is the ratio of their numbers of molecules? Take a hypothetical sample of 5.000 g of the mixture.

**1 : 4**by weight. The ratio of their number of molecules is from Chemistry States of Matter

What is the mass ratio of O2 and N2 in mixtures?

Mass ratio of O2 and N2 in a mixture of these gases s 1 : 4 , then what will be the ratio of numbers of molecules in the mixture of the gases? Mass ratio of O 2 and N 2 in a mixture of these gases s 1 : 4 , then what will be the ratio of numbers of molecules in the mixture of the gases? Was this answer helpful?

What is the ratio of oxygen and nitrogen molecules?

The ratio of See what the community says and unlock a badge. The ratio of number of their molecules = 7 : 32. The ratio of masses of oxygen & nitrogen = 1 : 4.

What is the ratio of no of molecules in a gaseous mixture?

Originally Answered: A gaseous mixture contains O2 and N2 in the ratio 1:4 by weight. The ratio of no. of molecules will be ? Let the mass of oxygen taken be Y grams then according to the question the mass of nitrogen is 4Y grams.

What is the number of moles of oxygen and nitrogen in O2?

Oxygen and Nitrogen exist as diatomic molecules O2 and N2 respectively in the gaseous form. Their molecular masses are 32 and 28 respectively. Let their masses in the mixture in the container be = m grams and 4m grams respectively. The numbers of moles of O2 and N2 in the mixture are : m/32 and 4m/28 respectively.

## What is the density of a mixture of O2 and N2 NTP?

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The density of a mixture of O2 and N2 NTP is 1.3g/L. Calculate partial pressure of O2 . The density of a mixture of O 2 and N 2 NTP is 1.3g/L. Calculate partial pressure of O 2. Was this answer helpful? Calculate the partial pressures of gases in the equilibrium mixture.

What is the density of O2 and N2 at NTP?

The density of a mixture of O2 and N2 at NTP is 1.3 g litre ^-1 . Calculate partial pressure of O2 . at NTP is 1.3 g litre −1. Calculate partial pressure of O 2 . Was this answer helpful?

What is the mixture of N2 and O2 at STP?

CONSIDER A MIXTURE OF N2 AND O2 AT STP DENSITY IS GIVEN TO BE 1.3 g/L CONSIDER THE TOTAL VOLUME TO BE 1L THEN THE TOTAL WEIGHT OF THE MIXTURE WILL BE 1.3 gm SINCE DENSITY=MASS/VOLUME .

What is the density of air at 28°C and 1 atm pressure?

1- Litre of air weigh = 28.8/22.4= 1.2857- g at STP. Therefore density of air at 28°C and 1- atm Pressure = 1.1661g/ Litre. , This was a question my students needed to be able to answer. What is the density in grams per liter of N2 gas at STP?

What is the partial pressure of oxygen in 1 atm?

if the total pressure is 1 atm, the partial pressure of O2 will be 0.83 atm. What are the biggest money secrets that rich people keep from us? Here are the five biggest secrets they never share.

## What is the ratio of no of molecules in a gaseous mixture?

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Originally Answered: A gaseous mixture contains O2 and N2 in the ratio 1:4 by weight. The ratio of no. of molecules will be ? Let the mass of oxygen taken be Y grams then according to the question the mass of nitrogen is 4Y grams.

What is the ratio of number of molecules in a gaseous mixture?

A gaseous mixture contains O2 and N2 in the ratio of 1:4 by weight. The ratio of their number of molecules is: A gaseous mixture contains O2 and N2 in the ratio of 1:4 by weight. The ratio of their number of molecules is : Was this answer helpful? A gaseous mixture contains oxygen and nitrogen in the ratio of 1:4 by weight.

What is the ratio of mass of oxygen and nitrogen molecules?

A gaseous mixture contains oxygen and nitrogen in the ratio of 1:4 by weight. Therefore, the ratio of their number of molecules is: The ratio of masses of oxygen and nitrogen in a particular gaseous mixture is 1:4. The ratio of number of their molecules is : A gaseous mixture contains oxygen and nitrogen in 1:4 ratio by weight.

What is the Avogadro number of molecules in a gaseous mixture?

The ratio of their number of molecules is: A gaseous mixture contains oxygen and nitrogen in 1:4 ratio by weight. The ratio of their number of molecules is: Here, N A is the Avogadro number. Assume 1 g and 4 g of oxygen and nitrogen respectively. Was this answer helpful? A gaseous mixture contains oxygen and nitrogen in the ratio of 1:4 by weight.

What is the mole ratio of nitrogen in a mixture?

† Mass of nitrogen in mixture = 4x grams. No. of molecules = No. of moles × Avogadro’s number. Mass Ratio of O2:N2 = 1 : 4. Therefore mole ratio= (1/32): (4/28) = 28 : 112 =7 : 32.

## What is the molecular mass of O2 and N2?

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Molecular mass of O2 – 32 amu Molecular mass of N2. – 28 amu (This means that if you take 32 grams of oxygen or 28 grams of nitrogen it will contain approximately 6.022 X 10 to the power 23 lmolecules of it)

**14.0067 g/mol**. Since both of these elements are diatomic in air – O2 and N2, the molar mass of oxygen gas is 32 g/mol and the molar mass of nitrogen gas is 28 g/mol.

What is the mass of one molecule of N2?

N2 has two N atoms, each weighing 14.0067 atomic mass units. So an N2 moelcule would be twice that, 28.0134. A mole of that, 6.022 x 10^23 molecules, would be 28.0132 grams, so each molecule is 28.0134 / (6.022×10^23) = 4.652 x 10^-23 grams. To be totally pendantic, that the AVERAGE weight of an N2 molecule.

How to calculate the mass of O2 molecule?

Chemistry Q&A Calculate the mass of O 2 molecule? The molecular mass of an element is defined as the sum of the masses of all the atoms present in the molecule. Molecular mass is obtained by adding the atomic masses of all atoms with the number of atoms in the molecule.

What is the mass ratio of O2 and N2 in mixtures?

Mass ratio of O2 and N2 in a mixture of these gases s 1 : 4 , then what will be the ratio of numbers of molecules in the mixture of the gases? Mass ratio of O 2 and N 2 in a mixture of these gases s 1 : 4 , then what will be the ratio of numbers of molecules in the mixture of the gases? Was this answer helpful?

What is the molar mass of oxygen and nitrogen gas?

Oxygen has a molar mass of 15.9994 g/mol and nitrogen has a molar mass of 14.0067 g/mol. Since both of these elements are diatomic in air – O 2 and N 2, the molar mass of oxygen gas is 32 g/mol and the molar mass of nitrogen gas is 28 g/mol.

References:

A gaseous mixture of O2 and N2 contains 37.8% nitrogen …

The density of a mixture of O2 and N2 NTP is 1.3g/L.

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What is the mass ratio of O2 and N2 in mixtures?

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What is the ratio of O2 and N2 in a mixture?

a gaseous mixture of o2 and n2

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