Mix the contents with a stirring stick. 3 Answers. Vinegar is polar. Each bond has polarity (though not very strong). Fat is nonpolar. 1st Liberal. Because oils also repel water, they are called hydrophobic, which means “water-fearing.” The carbon (black) and hydrogen (white) in this non-polar fatty acid molecule share electrons evenly and are neither negatively or positively charged. The -OH groups are polar. It is 4-5% acetic acid dissolved in water and that is polar. Nail polish is polar. It is polar, any time you have something with a lone pair, you can bet it will be polar unless you have some crazy dipole cancellations. Oil is nonpolar. Polar chemicals generally are soluble in water. This is where the saying “like oil and water” comes from. If the ink is attracted to oily fingers, then it is nonpolar. Therefore, vinegar being polar will dissolve in polar solvent like water. Iodine solution Vinegar No Ionic Nonpolar Vegetable oil Vinegar Yes Nonpolar Nonpolar Conclusion Write a conclusion statement that addresses the following questions: Due to Covid-19 pandemic, I used the internet to research the answers to this lab, so that is how I determined the polarity of these substances. 3. 3. Ethanol is polar. Anything that can't, is non polar. Vitamin C is polar. A polar molecule has a positive charge on one end and a negative charge on the opposite end. Examples of non-polar solvents: carbon tetrachloride (CCl4), benzene (C6H6), ... Vinegar, for example, is a solution of acetic acid in water. The molecule is CH3 - COOH. Please understand that polar or nonpolar is a continuous range, not an either or. However, polar and non polar chemicals do not mix. vinegar is polar. Many nonpolar organic solvents, such as turpentine, are able to dissolve non-polar substances. Then conclude whether the compound is polar, nonpolar, or ionic. Oil doesn't stay dissolved because the water molecules are polar and are strongly attracted to each other to the point that the oil molecules are excluded. On the other hand, oil being non-polar does not dissolve in polar solvent like water. The bonds are arranged symmetrically so there is no overall dipole in the molecule. Hydrocarbons are nonpolar. In table two, indicate whether the solutes (vinegar and iodine solution) are soluble in the solvent (water). and why? "Like" dissolve "like". In table two, indicate whether the solutes (vinegar and iodine solution) are soluble in the solvent (water). The polar particles of salad oil are attracted to the nonpolar particles of the vinegar. 8 years ago. Dry-cleaning solvents are polar. Gasoline is nonpolar. Oil based paints are nonpolar. (Hint: Like substances dissolve like substances, and polar solvents dissolve ionic compounds.) Rule of thumb: Anything that can dissolve in water is polar. By the way, if it dissolves in water, that is a good bet that it is polar. Favorite Answer. Oils repel polar molecules such as those found in vinegar. Vinegar is basically a water solution of acetic acid. Where the carbons are bonded, and the center carbon has a double bond to on oxygen, and a single bond to another but the one with the single bond has an H. Oil is nonpolar. Then conclude whether the compound is polar, nonpolar, or ionic. Other examples of polar chemicals include alcohol and vinegar. One way to think about it is to observe (or postulate) that it will mix with oil. Is a vinegar molecule polar or nonpolar? Non-polar solvents are liphophilic as they dissolve non-polar substances such as oils, fats, greases. Answer Save. (Hint: Like substances dissolve like substances, and polar solvents dissolve ionic compounds.) Also, it is known that water is a polar solvent and like dissolves like. not vinegar as a substance, but the molecule. Lv 6. 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