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How many mols are in 0.000264 g li2 hpo4?
To determine the number of moles in 0.000264 g of Li2HPO4, you first need to calculate the molar mass of Li2HPO4. The molar mass of Li2HPO4 is 115.79 g/mol. Next, you can use the formula n = m/M, where n is the number of moles, m is the mass in grams, and M is the molar mass. Plugging in the values, you get n = 0.000264 g / 115.79 g/mol ≈ 2.28 x 10^-6 moles of Li2HPO4.
What is the number of molecules in 9.0 g of steam and how?
To find the number of molecules in 9.0 g of steam (water vapor), first determine the number of moles. The molar mass of water (H₂O) is approximately 18.02 g/mol. Therefore, 9.0 g of steam is equivalent to ( \frac{9.0 \text{ g}}{18.02 \text{ g/mol}} \approx 0.5 ) moles. Since one mole contains Avogadro's number of molecules ((6.022 \times 10^{23}) molecules/mol), the total number of molecules is (0.5 \text{ moles} \times 6.022 \times 10^{23} \text{ molecules/mole} \approx 3.01 \times 10^{23} ) molecules.
How many molecules are there in 15.9 g of IF7?
To determine the number of molecules in 15.9 g of IF7 (iodine heptafluoride), first calculate the molar mass of IF7. The molar mass is approximately 144.9 g/mol. Next, use the formula: number of moles = mass (g) / molar mass (g/mol). Thus, ( \text{number of moles} = \frac{15.9 , \text{g}}{144.9 , \text{g/mol}} \approx 0.1096 , \text{mol} ). Finally, multiply the number of moles by Avogadro's number (approximately (6.022 \times 10^{23}) molecules/mol) to find the number of molecules: (0.1096 , \text{mol} \times 6.022 \times 10^{23} \approx 6.60 \times 10^{22}) molecules of IF7.
What is the concentration of 10.9 grams of HgCl2 in 2 liters?
To find the concentration of HgCl2 in a solution, you first need to calculate the number of moles of HgCl2. The molar mass of HgCl2 (mercury(II) chloride) is approximately 271.5 g/mol. Therefore, 10.9 grams of HgCl2 is about 0.0402 moles (10.9 g / 271.5 g/mol). To find the concentration in moles per liter (M), divide the number of moles by the volume in liters: 0.0402 moles / 2 liters = 0.0201 M. Thus, the concentration of HgCl2 in the solution is 0.0201 M.
What is the quotient of 15 and g?
The quotient of 15 and g is expressed as ( \frac{15}{g} ). This represents the result of dividing 15 by the variable g. If g is a non-zero number, this quotient can be calculated numerically. If g equals zero, the quotient is undefined.
How many moles of aluminum are present in an aluminum cylinder with a mass of 15 g?
To determine the number of moles of aluminum present, we need to first determine the molar mass of aluminum, which is approximately 26.98 g/mol. We can then use the formula: moles = mass / molar mass. Plugging in the values, we get moles = 15 g / 26.98 g/mol ≈ 0.56 moles of aluminum.
What is the mass of 15 moles of tungsten?
The mass of 15 moles of tungsten is 2.757,6 g.
What is the number of moles of argon in 607 g of argon?
the equation is Xg multiplied by the moles/grams of X = moles of X (the grams cancel leaving you with moles) 607g Ar x 1 mole/ 39.95g = 15.19 moles
How many moles of Na are in 15 g of NaCl?
To find the number of moles of Na in 15 g of NaCl, you first need to calculate the molar mass of NaCl, which is 58.44 g/mol. Since Na makes up 39.34% of the molar mass of NaCl, you can calculate the moles of Na as (15 g / 58.44 g/mol) * 0.3934 = 0.255 moles of Na.
How many grams in 15 moles of 02?
15 moles of 02 equal 480 g.
How is a number of moles of an element determined from a known mass?
The number of moles is mass in g/molar mass in g.
If you have g of beryllium how many moles is this equivalent to?
The formula is: number of moles = g Be/9,012.
Calculate the total number of atoms in 15 g CaH2?
To calculate the total number of atoms in 15 g of CaH2, we first need to find the number of moles of CaH2 using its molar mass. The molar mass of CaH2 is 42.08 g/mol. Therefore, 15 g of CaH2 is equal to 15/42.08 = 0.356 moles of CaH2. Since each mole of CaH2 contains 3 atoms (1 calcium atom and 2 hydrogen atoms), there are 0.356 * 3 = 1.068 moles of atoms in 15 g of CaH2. This is equivalent to 1.068 * 6.022 x 10^23 = 6.44 x 10^23 atoms.
What is the number of moles in 0.025 g NH42Cr2O7?
The number of moles 9,92.10e-5.
What is the concentration mv of 15 g Nacl in 600 ml solution?
To find the molarity (M) of the solution, first calculate the number of moles of NaCl. The molar mass of NaCl is approximately 58.44 g/mol. Therefore, 15 g of NaCl is about 0.256 moles (15 g ÷ 58.44 g/mol). Molarity is calculated as moles of solute per liter of solution, so for 600 mL (0.6 L), the concentration is approximately 0.427 M (0.256 moles ÷ 0.6 L).
How many moles of SO2 are present in 250.0 g?
Number of moles is determined by dividing molar mass into the number of grams. SO2 has a molar mass of 64.066 g. To find the number of moles in 250.0 g of SO2, divide 250.0 g by 64.066 g. This gives you just over 3.9 moles.
What is the number of moles if you have 22.99 g of C28H44O?
22.99 g of C28H44O is equal to 0,058 moles.
