Answer:
I Think It's The Second One
Tell Me If I'm Wrong
Mass number- number of neutrons= number of protons.
52-27=25 protons.
Number of protons = atomic number =25
It is Mn (manganese).
The answer would be 32.4m
At STP one mole of gas takes up 22.4L which means that the answer is B since there is 6.02×10²³ molecules in one mole of a substance.
I hope this helps. Let me know if anything is unclear.
Answer:
Thiamine mononitrate is a synthetic stable nitrate salt form of vitamin B1 . Thiamine mononitrate is also known as vitamin B1 nitrate and has the molecular formula C 12 H 17 N 5 O 4 S. The molar mass of this compound is about 327.36 g/mol.
Explanation:
