The answer is 6 moles.
The answer is 6 moles.
If it's pure water, 250mL of water will have a mass of 250g. 250g / 18gmol-1 = approx. 14mol.
To find the number of moles of water, you first need to convert the volume (250.0 mL) to liters by dividing by 1000 (since 1 L = 1000 mL). This gives you 0.250 L. From there, you can use the molar volume of water (18.02 g/mol) and the molar mass of water (18.02 g/mol) to calculate the number of moles using the formula moles = mass/molar mass.
0.0747mol/L of HCL 1.81mol/L of water
The answer is 0,0095 moles.
First, determine the limiting reactant by calculating the number of moles for each reactant (moles = concentration x volume). In this case, LiOH is the limiting reactant since it produces 2 moles of water per 1 mole of LiOH. Therefore, 0.006 moles of LiOH will produce 0.012 moles of water.
Assuming a density of 1.0 g/ml for water, then 10 ml H2O = 10 g10 g H2O x 1 mol/18 g = 0.5555 moles H2O0.5555 moles x 6.02x10^23 molecules/mole = 3.34x10^23 molecules of H2O in 10 ml
To find the molarity, first calculate the number of moles of LiCl in 230 mL of water. Then, divide the moles of LiCl by the volume of water in liters (230 mL = 0.23 L) to get the molarity. In this case, 2.60 moles of LiCl in 0.23 L of water would result in a molarity of 11.30 mol/L.
8,54 mL toluene is equivalent to 0,08 moles.
The number of moles is 0,0038.
The value is 0,0025 moles.
To find the number of moles, first calculate the number of moles of HCl in the 50 mL solution by multiplying the volume (in liters) by the molarity. Volume in liters = 50 mL / 1000 mL/L = 0.05 L Moles = 0.05 L * 6.0 mol/L = 0.3 moles of HCl.