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What is the molecular mass of znf2?
The molecular mass of Zinc fluoride (ZnF2) is calculated by adding the atomic masses of zinc (Zn) and two fluorine (F) atoms. The atomic mass of zinc is approximately 65.38 g/mol, and the atomic mass of fluorine is about 18.99 g/mol. Therefore, the molecular mass of ZnF2 is approximately 102.36 g/mol.
What is the formula mass of NiF2?
The formula mass of NiF2 (nickel(II) fluoride) can be calculated by adding the atomic masses of nickel (Ni) and two fluorine atoms (F). The atomic mass of Ni is about 58.7 g/mol and the atomic mass of F is about 19 g/mol. Therefore, the formula mass of NiF2 is approximately 58.7 + 2(19) = 96.7 g/mol.
What is the density of volume of 0.8 cm and mass of 15.2 g?
Mass density is the amount of mass (g) per unit of volume (cm3). Divide mass by volume to get density: 15.2 grams / 0.8 cm3 = 19 grams/cm3
How many kilograms are there in 19 000 grams?
There are 1000 grams in one kilogram. Therefore, 19000 grams is equal to 19000/1000 = 19 kilograms.It is equal to 8618.25 kilograms approximately. Kilogram is the metric unit and pound is the imperial unit for mass. 1 Kilogram is 2.204 pounds. So we multiply pound by 0.4535 to get the equivalent kilograms.
What is the mass of a cubic meter of uranium in grams at 4 deg C?
The density of uranium at 4°C is approximately 19,050 kg/m^3. To convert this to grams per cubic meter, we multiply by 1000 to get 19,050,000 g/m^3. So, the mass of a cubic meter of uranium at 4°C is 19,050,000 grams.
If you have 85.5 grams of fluorine which has a molar mass approxidmatley 19 g mol how many moles of fluorine do you have?
To calculate the number of moles of fluorine, divide the given mass (85.5 grams) by the molar mass of fluorine (19 g/mol). Number of moles of fluorine = 85.5 g / 19 g/mol ≈ 4.5 moles.
How many moles in 5.67 grams of fluorine gas?
To find the number of moles in 5.67 grams of fluorine gas, you need to divide the mass by the molar mass of fluorine. The molar mass of fluorine is approximately 19 g/mol. Therefore, 5.67 grams of fluorine gas is equal to 5.67 g / 19 g/mol ≈ 0.298 mol.
How many grams of f are in 165 caf2 grams of?
To find the grams of F in 165 g of CaF2, you need to consider the molar mass of CaF2. Calcium (Ca) has a molar mass of about 40.1 g/mol, and fluorine (F) has a molar mass of about 19 g/mol. So, the molar mass of CaF2 is about 40.1 + (19 x 2) = 78.1 g/mol. Then, you can calculate the grams of F in 165 g of CaF2 by determining the proportion of F in the compound CaF2 compared to its total molar mass.
What is the in grams of one fluorine atom?
The mass in grams of one fluorine atom is 18.998 grams per mole. Fluorine is a gas that has the atomic number of 9.
How many moles of carbon dioxide are there in 19 grams of carbon dioxide?
To calculate the number of moles of carbon dioxide in 19 grams, divide the given mass by the molar mass of carbon dioxide, which is approximately 44 grams/mol. Therefore, 19 grams of carbon dioxide is equal to 19/44 ≈ 0.43 moles.
Calculate the number of moles present in each of the following samples.6.684e13 pg of fluorine atoms 2.435e6 mg of magnesium 3.2e-3 kg of lead(II) chloride 6.684e-5 Mg of fluorine 2.31e-9 Gg of carbon disulfide 4.91e9 ng of aluminum sulfate?
umber of Moles= Molar Mass (in g/mol) Mass (in grams) First, you'll need to know the molar mass of the substance in question. Here are the calculations for each sample: 6.684e13 pg of fluorine atoms: Molar mass of fluorine (F) = 19 g/mol Mass in grams = 6.684e13 pg = 6.684e-6 g Number of moles = (6.684e-6 g) / (19 g/mol) ≈ 3.52e-7 moles 2.435e6 mg of magnesium: Molar mass of magnesium (Mg) = 24.305 g/mol Mass in grams = 2.435e6 mg = 2.435 g Number of moles = (2.435 g) / (24.305 g/mol) ≈ 0.1001 moles 3.2e-3 kg of lead(II) chloride: Molar mass of lead(II) chloride (PbCl₂) = 207.2 g/mol Mass in grams = 3.2e-3 kg = 3200 g Number of moles = (3200 g) / (207.2 g/mol) ≈ 15.45 moles 6.684e-5 Mg of fluorine: Molar mass of fluorine (F) = 19 g/mol Mass in grams = 6.684e-5 Mg = 6.684e-5 g Number of moles = (6.684e-5 g) / (19 g/mol) ≈ 3.52e-6 moles 2.31e-9 Gg of carbon disulfide: Molar mass of carbon disulfide (CS₂) = 76.143 g/mol Mass in grams = 2.31e-9 Gg = 2.31e15 g Number of moles = (2.31e15 g) / (76.143 g/mol) ≈ 3.03e12 moles 4.91e9 ng of aluminum sulfate: Molar mass of aluminum sulfate (Al₂(SO₄)₃) = 342.15 g/mol Mass in grams = 4.91e9 ng = 4.91e-6 g Number of moles = (4.91e-6 g) / (342.15 g/mol) ≈ 1.43e-8 moles
What is the mass of Na2SO4 needed to make 2.5 L of 2.0 M solution?
how man molecules are there in 450 grams of Na2SO4. the simple formula to determine of mole is NO OF MOL= GIVEN MASS IN gm/MOL:MASS OF COMP: , AND IMOL = 6.02X1023 . SO, 19. 077X1023 molecules are present in 450 grams of Na2SO4.
What is the molecular mass of znf2?
The molecular mass of Zinc fluoride (ZnF2) is calculated by adding the atomic masses of zinc (Zn) and two fluorine (F) atoms. The atomic mass of zinc is approximately 65.38 g/mol, and the atomic mass of fluorine is about 18.99 g/mol. Therefore, the molecular mass of ZnF2 is approximately 102.36 g/mol.
What is the formula mass of NiF2?
The formula mass of NiF2 (nickel(II) fluoride) can be calculated by adding the atomic masses of nickel (Ni) and two fluorine atoms (F). The atomic mass of Ni is about 58.7 g/mol and the atomic mass of F is about 19 g/mol. Therefore, the formula mass of NiF2 is approximately 58.7 + 2(19) = 96.7 g/mol.
How many moles are in 19 g of NO2?
To find the number of moles in 19 g of NO2, we first need to determine the molar mass of NO2, which is 46.01 g/mol. Next, we divide the given mass by the molar mass: 19 g / 46.01 g/mol ≈ 0.413 moles of NO2.
What is the molar mass of calcium fluoride?
The formula is CaF2 so, its three atoms, one calcium and two fluorine atoms. add the molar mass of calcium(40 g/mol) and fluorine(19 g/mol X 2 because there are two atoms of fluorine) and you get 40+(19x2)=78 78 grams per mol
What is the mass of 19 atoms of copper in grams?
To calculate the mass of 19 atoms of copper in grams, you need to determine the molar mass of copper. The molar mass of copper is approximately 63.55 grams per mole. Then, you can use Avogadro's number (6.022 x 10^23 atoms per mole) to convert atoms to grams. So, the mass of 19 atoms of copper would be 19*(63.55/6.022e23) grams.
