Chemistry · Mole concept, molar mass, percentage composition, empirical and molecular formulae
The percentage of formaldehyde in formalin is:
The percentage of formaldehyde in formalin is:
- A. \( 40 \% \)
- B. 30\%
- C. \( 20 \% \)
- D. 10\%
Step-by-step solution
Formalin is an aqueous solution of formaldehyde typically containing 37-40% formaldehyde by weight; 40% is the commonly cited standard concentration.
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