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How many moles of Na are there in 5 moles NaCl?
There are 5 formula masses of Na in 5 formula masses of NaCl, as indicated by the fact that the symbol for sodium has no explicit subscript in the formula of NaCl. Neither sodium nor sodium chloride has moles in the strictest sense, since neither of them is covalently bonded.
How many moles of carbon and hydrogen are there in 5 moles of octane?
In 5 moles of octane, C8H18, there are 40 moles of carbon atoms (5 moles octane x 8 carbon atoms) and 90 moles of hydrogen atoms (5 moles octane x 18 hydrogen atoms).
How many moles of CO are produced from 5 moles o2?
The answer is 10 moles of carbon monoxide.2 C + O2 = 2 CO
How many moles are in 4.5 x 10-3 g of sodium carbonate?
Dividing by the molar mass of sodium carbonate, we deduce that there are 4.25 x 10-5 moles in 4.5 x 10-3 grams of sodium carbonate.
How do you calculate number of moles in 1 teaspoon of sodium sulphide?
To calculate the number of moles in 1 teaspoon of sodium sulfide (Na₂S), you first need to know the mass of sodium sulfide in that teaspoon. Typically, a teaspoon holds about 5 grams of a substance, but this can vary based on the density of the compound. Once you have the mass, you can use the molar mass of Na₂S (approximately 78.04 g/mol) to find the number of moles by using the formula: moles = mass (g) / molar mass (g/mol). For example, if 1 teaspoon is 5 grams, then moles of Na₂S = 5 g / 78.04 g/mol ≈ 0.064 moles.
How many moles of sodium oxide will be produced when 10 moles of sodium react with oxygen 4Na OËÃ æ 2NaËÃO?
When 4 moles of sodium react with oxygen, 2 moles of sodium oxide are produced (according to the balanced equation). Therefore, when 10 moles of sodium react, 5 moles of sodium oxide will be produced.
How many moles of Na are there in 5 moles NaCl?
There are 5 formula masses of Na in 5 formula masses of NaCl, as indicated by the fact that the symbol for sodium has no explicit subscript in the formula of NaCl. Neither sodium nor sodium chloride has moles in the strictest sense, since neither of them is covalently bonded.
How many moles of carbon and hydrogen are there in 5 moles of octane?
In 5 moles of octane, C8H18, there are 40 moles of carbon atoms (5 moles octane x 8 carbon atoms) and 90 moles of hydrogen atoms (5 moles octane x 18 hydrogen atoms).
How many moles of sodium oxide will be produced with 10 moles of sodium react with oxygen?
1 mole of Sodium Chloride weighs 58.5 grams (1 mole is the same as the molecular weight of a compound. The molecular mass of Sodium Chloride- NaCl is 23 [Na atomic mass] + 35.5 [Cl atomic mass] which is equal to 58.5 grams).Thus 10 moles would weigh 10x58.5 grams = 585 grams.The answer is 585 grams.
In the formula for sodium phosphate Na3PO4 how many moles of sodium are represented?
There are 3 moles of sodium represented in one mole of sodium phosphate (Na3PO4). This is because the subscript 3 in Na3PO4 indicates that there are 3 sodium ions for every molecule of sodium phosphate.
How many moles of carbon are needed to react with 5.44 mole so 2 in the reaction 5 c plus 2 so 2 arrow cs 2 plus 4 co?
The balanced chemical equation shows that 5 moles of carbon react with 2 moles of sulfur dioxide to produce 2 moles of carbon disulfide and 4 moles of carbon monoxide. Therefore, to react with 5.44 moles of sulfur dioxide, you would need 5.44 moles / 2 moles = 2.72 moles of carbon.
How many moles of CO are produced from 5 moles o2?
The answer is 10 moles of carbon monoxide.2 C + O2 = 2 CO
How many moles are in 4.5 x 10-3 g of sodium carbonate?
Dividing by the molar mass of sodium carbonate, we deduce that there are 4.25 x 10-5 moles in 4.5 x 10-3 grams of sodium carbonate.
How many moles in 5 grams of NaCl?
For this you need the atomic mass of Na. Take the number of grams and divide it by the atomic mass. Multiply by one mole for units to cancel.11.5 grams Na / (23.0 grams) = .500 moles Na
How many grams of sodium carbonate contain 1.773 x 1017 carbon atoms?
To find how many grams of sodium carbonate contain 1.773 x 10^17 carbon atoms, you need to consider the molar ratio. Sodium carbonate (Na2CO3) has 1 carbon atom per molecule. Calculate the molar mass of Na2CO3, then use Avogadro's number to convert the number of carbon atoms to moles, and finally to grams.
How do you calculate number of moles in 1 teaspoon of sodium sulphide?
To calculate the number of moles in 1 teaspoon of sodium sulfide (Na₂S), you first need to know the mass of sodium sulfide in that teaspoon. Typically, a teaspoon holds about 5 grams of a substance, but this can vary based on the density of the compound. Once you have the mass, you can use the molar mass of Na₂S (approximately 78.04 g/mol) to find the number of moles by using the formula: moles = mass (g) / molar mass (g/mol). For example, if 1 teaspoon is 5 grams, then moles of Na₂S = 5 g / 78.04 g/mol ≈ 0.064 moles.
How many oxygen atoms in 5 g of sodium dichromate?
Sodium dichromate (Na₂Cr₂O₇) has seven oxygen atoms per formula unit. To determine the number of moles in 5 g of sodium dichromate, we first calculate its molar mass, which is approximately 261.97 g/mol. This means there are about 0.019 moles of sodium dichromate in 5 g. Since each mole contains 7 moles of oxygen atoms, the total number of oxygen atoms is about 0.019 moles × 7 × 6.022 × 10²³ atoms/mole, which equals approximately 7.98 × 10²² oxygen atoms.
