Asolution with a ph of 2.0 has a hydrogen ion concentration ten times greater than a solution with a ph
a. 1.0
b. 3.0
c. 0.20
d. 20

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Americium-241 undergoes fission to produce three neutrons per fission event. if a neutron-absorbing material is mixed in with this sample so that the rate of neutron production drops down to 1.8 neutrons per fission event, which will be effective at achieving a critical mass? check all that apply. remove a deflective shield surrounding the sample. remove absorbent material mixed in with the sample. compress the sample of americium-241.

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