How many moles are in .50 of NaBr?

To find the number of moles in 0.50 grams of NaBr (sodium bromide), you first need to determine its molar mass. The molar mass of NaBr is approximately 102.89 g/mol (sodium: 22.99 g/mol + bromine: 79.90 g/mol). Using the formula moles = mass (g) / molar mass (g/mol), you would calculate 0.50 g / 102.89 g/mol, which equals approximately 0.00486 moles of NaBr.