To find the number of atoms in 4 moles of lithium, you can use Avogadro's number, which is approximately (6.022 \times 10^{23}) atoms per mole. Therefore, in 4 moles of lithium, the number of atoms is (4 \times 6.022 \times 10^{23} = 2.409 \times 10^{24}) atoms.
Lithium Sulfate Li2SO4 has 4 oxygen atoms per molecule.
There are 4 atoms - three lithium (Li) atoms and one phosphorus (P) atom.
In 4 moles of magnesium hydroxide, Mg(OH)₂, there are a total of 20 atoms. Each formula unit of Mg(OH)₂ contains 1 magnesium atom, 2 oxygen atoms, and 2 hydrogen atoms, totaling 5 atoms per unit. Therefore, for 4 moles, you calculate 4 moles × 5 atoms/mole = 20 atoms.
To determine how many liters of a 4M lithium bromide (LiBr) solution can be made from 100 grams of LiBr, we first need to calculate the number of moles in 100 grams. The molar mass of lithium bromide is approximately 86.84 g/mol, so 100 grams corresponds to about 1.15 moles. A 4M solution contains 4 moles of solute per liter, thus 1.15 moles can produce approximately 0.29 liters (1.15 moles ÷ 4 moles/L). Therefore, 100 grams of lithium bromide can make about 0.29 liters of a 4M solution.
To find the number of moles of H atoms in C2H4Cl2, we first need to calculate the molar mass of C2H4Cl2. The molar mass is 98.96 g/mol. Next, we calculate the moles of C2H4Cl2 in 47.2742 grams by dividing the mass by the molar mass which is 0.478 moles. Since there are 4 H atoms in one molecule of C2H4Cl2, multiply the moles of C2H4Cl2 by 4 to find moles of H atoms which is 1.913 moles.
To determine the number of moles of lithium in 20mL of 0.5mM lithium phosphate, first calculate the moles of lithium in 1mL of the solution: 0.5mM = 0.5 mmol/L = 0.5 × 10^-3 mol/L = 5 × 10^-4 mol/L Now, for 20mL: 5 × 10^-4 mol/L × 20 mL = 0.01 moles of lithium
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Lithium Sulfate Li2SO4 has 4 oxygen atoms per molecule.
Lithium phosphate has the chemical formula Li3PO4, which means it contains 3 lithium atoms, 1 phosphorus atom, and 4 oxygen atoms. In total, there are 8 atoms in lithium phosphate.
Since 14 (4+10) moles of P4O10 contains 4 moles of Phosphorus, 8 moles of P4O10 will contain :: (8 x 4)/14 = 2.286 moles of Phosphorus
In Ca(HCO3)2, there are 2 moles of carbonate ions (CO3^2-), each containing 3 atoms. So there are 6 atoms in 1 molecule of Ca(HCO3)2. Therefore, in 4 moles of Ca(HCO3)2, there are 4 x 6 = 24 moles of atoms.
4 moles of oxygen atoms are present in 4 moles of H2O
There are 4 phosphorus atoms in one molecule of copper phosphate (Cu3(PO4)2). Therefore, in 7.6 moles of copper phosphate, there would be 7.6 moles x 4 atoms = 30.4 moles of phosphorus atoms.
There are 24 moles of hydrogen in 4 moles of CH4 because each molecule of CH4 contains 4 hydrogen atoms. Therefore, you have 24 moles x 6.022 x 10^23 atoms/mol = 1.4448 x 10^25 atoms of hydrogen.
In a formula unit of lithium phosphate, the chemical formula is Li3PO4. This means there are 4 oxygen atoms present (1 phosphorus atom and 4 oxygen atoms).
0.4965 moles rounded to 4 significant figures
There are 4 atoms - three lithium (Li) atoms and one phosphorus (P) atom.