Some parts are more likely to get infected or have problems. Piercings on your ear lobes usually take about 6-8 weeks to heal. However, piercings on the side of your ear (cartilage) can take anywhere from 4 months to 1 year to heal.
Ammonia is a colorless inorganic compound of nitrogen and hydrogen with the formula NH3, usually in gaseous form with a characteristic pungent odor. Ammonia is irritating to the skin, eyes, nose, throat, and lungs. It is essential for many biological processes and has various industrial applications.
Write and balance the equation Determine how many moles of ammonia you have in 12.52 g Using the coefficients of the balanced equation, determine how many moles of hydrogen you need. Multiply the moles of H2 by the molar mass to get the grams. Ricki Â· 2 years ago.