Molar mass of 13c = 13 grams
number of moles = mass / molar mass
therefore,
number of moles = 7 / 13
To know the number of atoms in 7/13 moles, we simply multiply the number of moles by Avogadro's number as follows:
number of atoms = (7/13) x 6.022 x 10^23 = 3.2426 x 10^23 atoms
Answer:
Answer is D.Blue.
Explanation:
The hottest stars tend to appear blue or blue-white, whereas the coolest stars are red.
I hope it's helpful!
The answer is 303 K, to find K you have to add 273 to the °C
