Question

how many moles of k are in 106.15 grams? drag and drop the information into the correct spots on the railroad tracks then solve the problem. drag labels to their correct position on the image 1 mol k 0.37 mol k 39.098 g k 106.15 g k 2.71 mol k 2.01 mol k

Explanation:

Step1: Recall molar - mass formula

The molar mass of potassium (K) is approximately $M = 39.098\ g/mol$. The formula to calculate the number of moles $n$ is $n=\frac{m}{M}$, where $m$ is the mass and $M$ is the molar mass.

Step2: Substitute values

Given $m = 106.15\ g$ and $M=39.098\ g/mol$, we substitute into the formula: $n=\frac{106.15\ g}{39.098\ g/mol}$.

Step3: Calculate the number of moles

$n=\frac{106.15}{39.098}\approx 2.71\ mol$.

Answer:

$2.71\ mol\ K$