Answer:
A )Mass -47.9 g
A) Explanation: Based on the given conditions, formulate: x + 2 ×58.35 = 68.8
Calculate the product or quotient: x + 116.7 = 68.8
Rearrange unknown terms to the left side of the equation: x = 68.8 - 116.7
Calculate the sum or difference: x = - 47.9
get the result:x = - 47.9
Answer: x = - 47.9
C) Usually the perfumes are made of aromatic hydrocarbons invloving cetone, ethanol, benzaldehyde, formaldehyde, limonene, methylene chloride, camphor, ethyl acetate, linalool and benzyl alcohol. which have density lower than the water hence they will float on the top of the water.
