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Moles of As in Na2HAsO4.7H2O?
To find the moles of As in Na2HAsO4.7H2O, you would first calculate the molar mass of Na2HAsO4.7H2O, then divide the molar mass of As by the molar mass of Na2HAsO4.7H2O to find the moles of As.
How do you find the molar mass of an atom?
To find the molar mass of an atom, you need to add up the atomic masses of all the atoms in its chemical formula. This can be determined from the periodic table. The unit for molar mass is grams per mole.
How do you find theoretical percent of water?
To find the theoretical percent of water in a compound, you need to determine the molar mass of the compound and the molar mass of water. Then, divide the molar mass of water by the molar mass of the compound and multiply by 100 to get the percentage.
How do you find the relative molar mass with the fraction abundance and isotope molar mass?
To find the relative molar mass of an element using its isotopes, you multiply the molar mass of each isotope by its fractional abundance (the proportion of that isotope relative to the total). Then, you sum these products for all isotopes. The formula can be expressed as: [ \text{Relative Molar Mass} = \sum (\text{Isotope Molar Mass} \times \text{Fractional Abundance}) ] This gives you the weighted average molar mass of the element based on its isotopic composition.
What is is the molar mass of 3.00 of NaCL and 1.50kg?
The molar mass of NaCl (sodium chloride) is 58.44 g/mol. To find the molar mass of 3.00 mol of NaCl, you would multiply 3.00 mol by the molar mass of NaCl. For the 1.50 kg, you would first convert the mass from kilograms to grams (1 kg = 1000 g), then divide the mass by the molar mass to find the number of moles.
How many moles of molecules are there in 250g of hydrogen nitrate?
To find the number of moles in 250g of hydrogen nitrate (HNO3), we first need to determine the molar mass of HNO3. The molar mass of HNO3 is 63.01 g/mol. Then, we can calculate the number of moles by dividing the given mass by the molar mass: 250g / 63.01 g/mol = approximately 3.97 moles of HNO3 molecules.
What is the molar mass of HNO3?
The molar mass of Ag NO3 is 169.8731 g/mol
By mass of N in HNO3?
The molar mass of nitric acid (HNO3) is approximately 63 g/mol. Nitric acid contains one nitrogen atom, which has a molar mass of about 14 g/mol. This means that the percentage by mass of nitrogen in nitric acid is approximately 22%.
How many moles of HNO3 are present in 450 g of HNO3?
To determine the number of moles of HNO3 present in 450 g, we first need to calculate the molar mass of HNO3, which is approximately 63.01 g/mol. Next, we use the formula moles = mass/molar mass to find the number of moles. Therefore, 450 g of HNO3 is equal to 7.14 moles of HNO3.
How many grams would be in four 4 moles of nitric acid HNO3?
The molar mass of nitric acid (HNO3) is 63.01 g/mol. To find the total grams in 4 moles, you would multiply the molar mass by the number of moles: 63.01 g/mol x 4 mol = 252.04 grams. So, there would be 252.04 grams in four moles of nitric acid (HNO3).
How many atoms of zinc react with 1.49 g HNO3?
To find out how many atoms of zinc react with 1.49 g of HNO3, you would first need to balance the chemical equation for the reaction. Then, you can convert the mass of HNO3 to moles using its molar mass. Finally, use the coefficients in the balanced equation to determine the mole ratio between zinc and HNO3 to find the number of atoms of zinc involved in the reaction.
How many total atoms are required to prepare 60g of hno3?
To calculate the total number of atoms in 60g of HNO3, you need to convert the mass of HNO3 to moles using its molar mass. Then, you can use Avogadro's number (6.022 x 10^23 atoms/mol) to find the total number of atoms.
How do you find the percent of oxygen by mass in a compound?
To find the percent of oxygen by mass in a compound, you need to know the molar mass of the compound and the molar mass of oxygen. Divide the molar mass of oxygen by the molar mass of the compound and multiply by 100 to get the percentage.
How do you find the molar mass of an elemnt?
Molar mass is a term applied for molecules, not for atoms.
The molar mass of C3H8O2 is?
to find molar mass you add the molar mass of the carbons 3(amu)+ molar mass of the hydrogens 8(amu) to find molar mass you add the molar mass of the carbons 3(amu)+ molar mass of the hydrogens 8(amu)
Is avogadro's number the same as molar mass?
no youre thinking of molar mass and atomic weight although you use avogadro's number to find molar mass
Moles of As in Na2HAsO4.7H2O?
To find the moles of As in Na2HAsO4.7H2O, you would first calculate the molar mass of Na2HAsO4.7H2O, then divide the molar mass of As by the molar mass of Na2HAsO4.7H2O to find the moles of As.
