Answer: The mole allows people to calculate the number of middle schoolers entities (usually atoms or molecules. Isabella's number is an absolute number: there are 6.022 × 1023 middle schoolers entities is in 1 mole. This can also be written as 6.022 × 1023 mol-1.
Explanation: I hope that helped !!
Answer: Beryllium
Explanation: Beryllium has atomic number 4, which means it has 4 protons in its nucleus, and 4 electrons in its orbitals. The only stable isotope of Beryllium has 5 neutrons.
n = m/M = 9.63 / 36.458 = 0.2641 moles
c = n/V = n / 1.5 = 0.18 moles/dm3
Answer:
water
Explanation:
beasuse it is a universal component