How many moles of water will be produced when 8.0 grams of hydrogen gas react with oxygen in the air?
4 moles
So for every mole of H2 you will form a mole of water, assuming you have sufficient oxygen to react with it all. The atomic weight of hydrogen atoms is 1, but the molar mass of diatomic H2 is 2 g/mol. Therefore, 8 g of H2 is 4 moles. Therefore you will form 4 moles of water.
How many moles are in 8g of hydrogen?
Answer Expert Verified = 3.01 x 10²³ moles. Therefore, 8 g of H₂ will have = 8 x 3.01 x 10²³ moles = 24.08 x 10²³ moles. Thus, 8 g of H₂ will have 24.08 x 10²³ moles of hydrogen molecules.
How do you convert moles of hydrogen to moles of water?
Figure 10.2. 1: Two water molecules contain 4 hydrogen atoms and 2 oxygen atoms. A mole of water molecules contains 2 moles of hydrogen atoms and 1 mole of oxygen atoms. Sulfuric acid has the chemical formula H2SO4.
How many moles of H+ are in H2O?
2 moles
Since water has a chemical formula of H2O , there will be 2 moles of hydrogen in every mole of water. In one mole of water, there will exist approximately 6.02⋅1023 water molecules. So, there will be a total of 6.02⋅1023⋅2≈1.2⋅1024 hydrogen atoms.
How many moles of water can be produced if 8 moles h₂ are used?
, 11 years of hydrogen generation and fuel cell experience. Therefore 8.0 moles of hydrogen gas will yield 8.0 moles of water. From the above equation we come to know that 2 moles of H2 gas is required to form 3 moles of water. So 8 moles of water will be formed from 8 moles of ‘Hydrogen’.
What weight of water is formed when 8 grams hydrogen and 8 g oxygen react together?
Complete answer: The molar mass of hydrogen is 2, oxygen is 32 and water is 18. Hence, with 8 grams of both hydrogen and oxygen, the mass of water produced is 9 gram.
How many moles are in O?
One mole
One mole of oxygen gas, which has the formula O2, has a mass of 32 g and contains 6.02 X 1023 molecules of oxygen but 12.04 X 1023 (2 X 6.02 X 1023) atoms, because each molecule of oxygen contains two oxygen atoms.
How do you calculate moles of hydrogen gas?
Use the mass of the hydrogen gas to calculate the gas moles directly; divide the hydrogen weight by its molar mass of 2 g/mole. For example, 250 grams (g) of the hydrogen gas corresponds to 250 g / 2 g/mole = 125 moles.
How many moles is h20?
one mole
The average mass of one H2O molecule is 18.02 amu. The number of atoms is an exact number, the number of mole is an exact number; they do not affect the number of significant figures. The average mass of one mole of H2O is 18.02 grams. This is stated: the molar mass of water is 18.02 g/mol.
How many percent of hydrogen is present in water?
11.11\%
The percentage of an element in a compound is 100 times the fraction, so for water the mass percent hydrogen is 11.11\% and the mass percent oxygen is 88.89\%.
How many moles of H+ are there in 1 liter?
Therefore 1000 ml (1 liter) water means 1000÷18= 55.56 moles.
How many moles of water are produced when 5 moles of hydrogen gas reacts with 2 moles of oxygen gas?
Five, 2H2+O2=2H2O. the ratio of hydrogen to oxygen is 2 mols H to 1 mole O. So 5 mols of water takes 5 O.
How many moles of oxygen are required for hydrogen to react?
From the above reaction, 2 moles of hydrogen will react with 1 mole of oxygen. Hence, 1 mole of oxygen is required.
How many grams of water are in 10 moles of hydrogen gas?
Since oxygen weighs ~16 grams per mole, you add 5 × 16 g, or 80 g to the 10.1 g from the 10 moles of hydrogen to get 90.1 grams of H2O. Above equation explains us that 2 mole hydrogen gas gives 2 moles of water which means 10 moles of H2 gas will react and form 10 moles of water.
How many moles of H2 are in 8 moles H2O?
From the equation, When I use mole ratio. 2 moles of H2 : 2 moles of H2O. 8 moles of H2 : 8 moles of H2O. Therefore to produce 8 moles of H2O (water), you would also require 8 moles of H2 (hydrogen gas)
How much hydrogen does it take to make water?
Hydrogen weighs approximately 1.01 g per mole. So you would have ~10.1 g hydrogen. Since it takes 2 moles hydrogen and 1 mole oxygen to combine and form 1 mole of water, so, for each mole of hydrogen, 1/2 mole of oxygen will combine to form water.