a sample of coconut oil is heated with 0.421g of koh until all of the triester is hydrolysed. the mixture is cooled. the remaining koh is neutralised by exactly 15.65cm3 of 0.100moldm-3 of HCL. Calculate the percentage by mass (Mr 638.0) in the coconut oil

Why do electrons further from the nucleus have more energy

How many grams are in 1.75 mile of carbon

Can anyone explain 1. review your spectrometry data and use the known elements to identify the star's composition. which unknown elements make up this star? justify your element selections. 2. in parts i and ii of the lab, what happened to the electrons of each element to produce the different colors of light? explain your answers using important terms from the lesson and information provided in the laboratory. 3. stars composed of heavier (more massive) elements are often slightly older than stars made predominantly from hydrogen and helium. based on your data, is the newly discovered star a younger star? explain your answer.