the average mass of a kernel of popcorn is 0.15g? what would be the mass of one mole of kernels ?
0.15 x 6.02E23 = ?g
To calculate the mass of one mole of kernels, you need to know the molar mass of a single kernel. The molar mass is the mass of one mole of any substance.
Given that the average mass of a kernel of popcorn is 0.15 g, this represents the mass of a single kernel. We can use this information to calculate the molar mass.
First, let's determine the molar mass of popcorn. In order to do that, we need to know the chemical composition of popcorn. Let's assume popcorn is primarily made up of starch, which has a molar mass of approximately 162.2 g/mol.
Now, we can calculate the molar mass of popcorn:
1 mole of popcorn ≈ 162.2 g
Since the average mass of a single kernel is 0.15 g, we can set up a proportion:
0.15 g (mass of 1 kernel) / x g (mass of 1 mole of kernels) = 1 (a mole is a quantity of 6.022 x 10^23 entities)
Simplifying the proportion, we get:
x = (0.15 g) / 1 * (1 mole) / (6.022 x 10^23 entities)
x ≈ 0.15 g / (6.022 x 10^23 entities)
Calculating this, we find that the mass of one mole of popcorn kernels is approximately 2.49 x 10^-23 grams.