3.977 mol
"The amount of grams in one mole a substance" is themolar mass (the mass of 1 mole) of a substance.The molar mass of Lithium oxide (Li2O) is 29.881 g/molThe molar mass of a compound can be calculated by adding the molar masses of the compound's constituent elements.In this case :molar mass of lithium oxide= 2x(molar mass of lithium)+ (molar mass of oxygen)= 2x(6.941) + 15.999=29.881 g/molNotes:* the molar masses of elements are found in the periodic table. * Notice the subscript "2" in the chemical formula of lithium oxide , Li2O. This subscript indicates that two lithium atoms are involved in each lithium oxide atom.Hence, we multiply the molar mass of of lithium by "2" when calculating lithium oxide's molar mass.
85.2 gram LiF sample is equivalent to 3,28 moles.
To find the number of moles in 55g of lithium chloride, we first need to calculate the molar mass of lithium chloride, which is approximately 42.39 g/mol. Then, we divide the mass given (55g) by the molar mass to get moles. Therefore, 55g of lithium chloride is approximately 1.30 moles.
85 moles Li x 6.02x10^23 atoms/mole Li = 5.17x10^25 atoms of Li
To make a 1.25 M solution of lithium chloride in one liter of total solution, you need 1.25 moles of lithium chloride. This is because the concentration of a solution in moles per liter is equal to the number of moles of solute divided by the volume of the solution in liters.
0,25 moles lithium nitride are obtained.
When 3.00 moles of iron (III) nitrate react, they will produce an equal number of moles of lithium nitrate, according to the balanced chemical equation. So, 3.00 moles of lithium nitrate will be produced.
To convert grams of lithium to moles, we need to divide the mass of lithium by its molar mass. The molar mass of lithium is approximately 6.94 g/mol. Moles = 318.0 g / 6.94 g/mol = 45.82 moles. Therefore, 318.0 grams of lithium is equivalent to 45.82 moles.
The balanced chemical equation is 6Li + N2 -> 2Li3N. This means 6 moles of lithium react with 1 mole of nitrogen to produce 2 moles of lithium nitride. Therefore, 1.450 moles of lithium will produce 0.483 moles of lithium nitride.
To convert moles of lithium to grams, you need to multiply the number of moles by the molar mass of lithium. The molar mass of lithium is 6.94 g/mol. Therefore, 0.0295 mol of lithium is equal to 0.0295 mol * 6.94 g/mol = 0.2053 grams.
This reaction? 6Li + N2 --> 2Li3N 0.450 moles Li (2 moles Li3N/6 moles Li) = 0.150 moles lithium nitride produced ===========================
The molar mass of lithium is approximately 6.94 g/mol. To find the mass of 5.40 moles of lithium, multiply the number of moles by the molar mass: 5.40 moles * 6.94 g/mol = 37.476 g. So, the mass of 5.40 moles of lithium is 37.476 grams.
To find the number of moles in 1.9 g of lithium, you need to divide the mass of lithium by its molar mass. The molar mass of lithium is approximately 6.94 g/mol. So, 1.9 g / 6.94 g/mol ≈ 0.274 moles of lithium.
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
0.0000639mol
To convert moles to grams, you need to know the molar mass of lithium, which is approximately 6.94 g/mol. Multiplying the number of moles (0.0864 mol) by the molar mass (6.94 g/mol) gives you approximately 0.6 grams of lithium.