We can start with Avogadro’s Number. That is, there are about 6.0221 x 10^23 atoms in a mole. This goes for any element including potassium (K).
Therefore, to calculate the number of atoms in 0.0246 mol, we multiply Avogadro’s Number by this fraction, so atoms=(6.0221 x 10^23)(0.0246)=1.481 x 10^22. The correct answer is 1 (the margin of error is likely due to rounding).
