Helium accounts for around 8% of the volume of all matter (baryonic particles) in the universe.
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Percent of an objects mass is expressed in terms of its weight. Percent of an objects volume is expressed in terms of its size.
9,200,000 is the total volume.
Thirty gallons of anything is thirty gallons. Maybe you're asking about compressing helium, but you need to say what pressure you're using and what temperature, to determine how much helium will fit into a 30 gallon tank.
Original volume = (S)3 New volume = (3S)3 = 27(S)3 = 27 times the original volume. The change is (27 times) - (1 time) = 26 times = 2,600 percent Semantic note: After increasing by 2,600 percent, the volume becomes 2,700 percent of what it was originally.
8 percent by volume of ammonia means you can multiply the total volume directly by the percentage of ammonia to get the answer.8 percent in decimal form is 0.08Total volume = 600 liters.Liters of ammonia = 600 liters * 0.08 = 48 liters