Chemistry, 08.10.2019 01:40, qqbear4555

Which chemical equation best illustrates the law of conservation of mass? (my d)

2h2o yields h2 + o2

ch4 + 3o2 yields co2 + 2h2o

al4c3 + 3h2o yields ch4 + 4al(oh)3

zn + 2hcl yields zncl2 + h2

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Which chemical equation best illustrates the law of conservation of mass? (my d)

2h2o...