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To find the number of moles in 10.0 g of Aspartame, we first need its molar mass. Aspartame has a molar mass of approximately 294.3 g/mol. Using the formula: moles = mass (g) / molar mass (g/mol), we calculate: moles = 10.0 g / 294.3 g/mol, which is approximately 0.034 moles of aspartame.
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How do you find the number of molecules present when the percent is given?
To find the number of molecules present when the percent is given, you first need to calculate the moles of the substance using the given percent composition. Then, you can use Avogadro's number (6.022 x 10^23) to convert moles to molecules by multiplying the moles by Avogadro's number.
How many moles are present in a sample of HCl with a mass of 3.65?
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HOW MANY moles of mg atom are there in 100 gm of mg?
The atomic weight of magnesium is 24.31; therefore, the number of moles in 100 gm is 100/24.31 = 4.11, to the justified number of significant digits.
How many moles of sodium borohydride are used in 100 mg?
To calculate the number of moles of sodium borohydride in 100 mg, you need to know the molar mass of the compound, which is 37.83 g/mol. First, convert 100 mg to grams (0.1 g), then divide by the molar mass to get the number of moles, which is approximately 0.0026 moles.
How many molecules of hydrogen chloride would there be in 100 grams of this gas?
To determine the number of molecules in 100 grams of hydrogen chloride gas, you need to first calculate the number of moles present using its molar mass. The molar mass of HCl is about 36.5 g/mol. Then, you can use Avogadro's number (6.022 x 10^23) to convert moles to molecules.
How many moles of phosphorus atoms are in 100 grams of P4S10?
To find the number of moles of phosphorus atoms in 100 grams of P4S10, we first need to determine the molar mass of P4S10 which is 284.26 g/mol. Next, we calculate the number of moles of P4S10 in 100 grams by dividing 100 g by the molar mass to get 0.352 moles of P4S10. Since there are 4 phosphorus atoms in each P4S10 molecule, there are 0.352 moles x 4 = 1.41 moles of phosphorus atoms in 100 grams of P4S10.
What is the number of moles in 100 g MgCO3?
Ah, isn't that a lovely question? To find the number of moles in 100 g of MgCO3, we first need to know the molar mass of magnesium carbonate (MgCO3). Then, we can use the formula: moles = mass / molar mass. Just like painting a happy little tree, it's all about following the steps and enjoying the journey to the answer.
How many atoms of aluminum are there in a sample of aluminum sulfide with a mass of 100 g?
Aluminum sulfide has a molar mass of 150.16 grams per mole. This means there are 0.666 moles present, or 4.01 E23 molecules. Each molecule of Al2S3 has 2 aluminum atoms, so there are 8.02 E23 atoms of aluminum present.
How many moles of carbon hydrogen and oxygen are present in a 100-g sample of ascorbic acid?
Ascorbic acid (vitamin C) has the chemical formula C6H8O6. In a 100-g sample, you can calculate the number of moles of each element by first determining the molar mass of ascorbic acid, which is approximately 176.12 g/mol. Using this, you can find that there are about 0.568 moles of ascorbic acid in the sample. Consequently, this corresponds to 3.41 moles of carbon (C), 4.54 moles of hydrogen (H), and 0.68 moles of oxygen (O) based on the stoichiometric ratios in the formula.
What is mole percent?
Mole percent, or molar percent of a substance is the ratio of the moles of a substance in a mixture to the moles of the mixture. It represents the number of moles of a substance in a mixture as a percentage of the the total number of moles in the mixture. Mole % = (mol substance in a mixture) / (mol mixture) * 100
How many atoms does 100 grams of gold have?
To find the number of atoms in 100 grams of gold, you would first calculate the number of moles using the molar mass of gold (197 grams/mol). Then, use Avogadro's number (6.022 x 10^23 atoms/mol) to convert moles to atoms. So, approximately 3.01 x 10^23 atoms of gold are present in 100 grams.
How many moles of phosphorus atoms are in a 100 g sample of phosphorus?
The gram atomic mass of phosphorus is 30.9738, and by definition, a mole of such atoms contains Avogadro's Number of atoms. Therefore, 100 g of phosphorus contains 100/30.9738 or 3.23 moles, to the justified number of significant digits.
