Problem: how many grams of oxygen combined with 15 grams of nitrogen are in the compund N2O?

Question

Please explain how to solve.

Answer 1

Write the equation and balance it.

Convert 15 g nitrogen to moles. moles = grams/molar mass

Using the coefficients in the balanced equation, convert moles nitrogen to moles oxygen.

Now convert moles oxygen to grams. grams = moles x molar mass.