Mass of carbon / Mass of acetone x 100% = Percentage by mass Carbon<span>.
</span>Take the formula mass of acetone, <span>and then do the calculation.</span>
By weight the hydroxides are 45.9% of the weight
When the atoms of radioactive elements have an unstable nucleus. As the nucleus tries to become stable, it releases energy (ionizing radiation), and extra protons or neutrons in the form of alpha or beta particles.
Scientists use scientific notation to simplify numbers, basically. When dealing with really big numbers or really small numbers, the usage of scientific notation prevents them from having to write a bunch of zeroes.
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According to a source, the most probable answer to this query is that chemical synapses makes use of these gated ion channels to transfer neurotransmitter for cell signaling. Thank you for your question. Please don't hesitate to ask in Brainly your queries.