The molecular mass of sulphur is 40u .Find the no. of atoms present in 0.4 g of calcium
Share
The molecular mass of sulphur is 40u .Find the no. of atoms present in 0.4 g of calcium
Sign Up to our social questions and Answers Engine to ask questions, answer people’s questions, and connect with other people.
Login to our social questions & Answers Engine to ask questions answer people’s questions & connect with other people.
Answer:
No dear molecular mass of Sulphur is not 40u but instead it is 32u,
The molecular mass of calcium is equal to 40u
No of moles = mass /molar mass
n = 0.4/40
n = 0.01 mol
no of atoms = n × Na
= 0.01 × 6.022 × 10^23
= 6.023 × 10^21 atoms
Hope it helps you
Please mark it as branliest
Explanation:
hope it's help you Mark my answer in brainlist and follow me