A 0.2861 gram sample of

  1. A 0.2861 gram sample of an unknow acid (HX) required 32.63 mL of 0.1045 m NAOH for neutralization to a thenolphthalein end
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    2. Kourtney asked by Kourtney
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  2. A 0.2861 gram sample of an unknown acid (HX) required 32.63 mL of 0.1045 M NaOH for neutralization to a phenolphthalein
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    2. Jake asked by Jake
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  3. If a 40 gram sample of radioactive isotope was present at 4pm, but a 5 gram sample remained at 4:30 pm, what is the half-life in
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    2. Jason asked by Jason
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  4. Plaster of Paris is the compound calcium sulfate hemihydrate, CaSO4*1/2H2OWhat mass of water is liberated when a 2.763 gram
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    2. Roy asked by Roy
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  5. 4.1 x 10^3 bacteria are measured in a sand sample that weights 1 gram. Express in scientific notation the amount of the bacteria
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  6. Which object will experience the least amount of gravitational attraction toward Earth?(1 point) Responses a 40-gram eraser a
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  7. a sample of iron are is known as Fe3O4. A 50 gram of sample contain 26 gram of Fe. Determine % yield Fe3O4 In sample
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    2. Fakhrywik asked by Fakhrywik
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  8. suppose you have a sample of clamshell at a paleoindian site and you measure the 14c activity of aa 100-gram sample of carbon as
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    2. jon asked by jon
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  9. A sample has a activity of 0.0065 Bq per gram of carbon. (a) Find the age of the sample, assuming that the activity per gram of
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    2. PLEASE AND THANK YOU asked by PLEASE AND THANK YOU
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  10. A sample has a activity of 0.0065 Bq per gram of carbon. (a) Find the age of the sample, assuming that the activity per gram of
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    2. PLEASE AND THANK YOU asked by PLEASE AND THANK YOU
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