The IUPAC rules are
a) Find out the longest chain of carbon in the given organic compound
b) We will name the longest chain.
c) We will identify the main functional group and will assign a suffix to the compound.
d) We will number the carbons in the longest chain selected so that the attached groups attain lowest numeral as substituent
e) We will name the side groups or chains.
Answer is: the percent by mass of NaHCO₃ is 2,43%.
m(NaHCO₃) = 10 g.
V(H₂O) = 400 ml.
d(H₂O) = 1 g/ml.
m(H₂O) = V(H₂O) · d(H₂O).
m(H₂O) = 400 ml · 1 g/ml.
m(H₂O) = 400 g.
m(solution) = m(H₂O) + m(NaHCO₃).
m(solution) = 400 g + 10 g.
m(solution) = 410 g.
ω(NaHCO₃) = 10 g ÷ 410 g · 100%.
ω(NaHCO₃) = 2,43 %
The answer is false. Because Daltons theory stated that the Atom was a solid ball.
Answer: It is the first one. First: 3 upper C u right arrow 3 Upper C u superscript 2 plus, plus 6 e superscript minus. Second: 2 upper N superscript 5 plus, plus 6 e superscript minus right arrow 2 upper N superscript 2 plus.
Explanation:
Correct
Answer: The correct statement is the liquid solution might have been dangerous to touch with bare hands.
Explanation:
In the question, it is given that Ari has wiped the spilled liquid with paper towels without putting on the gloves.
While working in a lab, one must follow some safety rules:
- There are chemicals all around the lab, so it should be handled with care that is by wearing gloves.
- If by chance there is spilling on liquid on the shelf, it should be cleaned with the help of paper towels while wearing gloves.
- Any chemical must not be touched with bare hands.
Hence, the correct answer is the liquid solution might have been dangerous to touch with bare hands.
