Calculate the moles of substance by dividing the mass of substance in grams by the molecular weight in amu. In this case, the aspirin tablet contains 250 mg, or 0.250 g. Therefore, 0.250 g ÷ 180.17 amu = 0.0013
What is mole? How to calculate the number of moles?Mole:Atoms and molecules are extremely small objects. Even a few grams of a substance contains an unimaginably large number of atoms and molecules. The Mole is a unit that is used to count the number of these objects....
Learn how to calculate the mass of a substance in a mixture, and see examples that walk through sample problems step-by-step for you to improve your chemistry knowledge and skills.
Learn how to convert grams to moles and moles to grams, including the formula to convert grams to moles. See examples of how to find moles from grams. Related to this QuestionHow do you calculate the number of moles you have of a substance? Give an example. How to ...
Calculate the number of moles of water in 600 grams of water (H2O). Find hydrogen and oxygen on the periodic table. Step 2 Set up the following equation relating grams to moles: x moles H2O = (1 mole H2O/18 grams H2O) x (600 grams H2O) Step 3 Solve the equation in Step 2 to ...
Grams to Moles Step 1 Find the number of gramsof the substance. You will know from the problem how many grams and what the substance is, for example, 12 g of water. Step 2 Find the molecular weight of each atom in the substance. The molecular weight is how much each molecule of the...
350 ml of a 0.02 molar solution of NaOH is added to 500 ml of a 0.03 molar solution of HCl. Calculate the pH for the final solution. Step 1:Identify the acid and base in the solution. Acid-HCL, Base-NaOH Step 2:Convert both the acid and base into moles and subtract the...
1 kg mole refers to 1000 moles of a substance. This is because "kg" means kilogram, and 1 mole is defined as the amount of substance that contains 6.022×1023 entities. Step 3: Calculate the number of molecules in 1 kg moleTo find the total number of molecules in 1 kg mole, we ...
A1.79×10−16 g B3.58×10−16 g C3.58×106 g D5.32×103 gSubmit How is the radius of a nucleus related to its mass number ? View Solution In three moles of ethane(C2H6), calculate the following: (i) Number of moles of carbon atoms. (ii) Number of moles of hydrogen atoms...
This allows you to convert from grams of a substance to moles of a substance. Converting from milligrams to grams Say you have 1,567 milligrams of NaCl in 1 liter of solution. How would you calculate the molarity? Well, first you need to convert the solute (NaCl) from milligrams to ...