Matt has four samples of substances:
sample a: 8 ml of hydrogen gas
sample b: 5 ml of...
Matt has four samples of substances:
sample a: 8 ml of hydrogen gas
sample b: 5 ml of helium gas
sample c: 5 ml of oxygen gas
sample d: 8 ml of helium gas
which of the following samples have the same density?
o sample a and sample b
sample a and sample d
sample b and sample d
sample b and sample c
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