Chemistry, 08.10.2021 21:20 chinnellepug2149
Which substance is a pure substance?
salt water made from 20 g of NaCl dissolved in 80 g of H2O
a 100 g crystal of the mineral apatite (Ca5(PO4)3F)
oxygen in a container existing as O2 and O3
a steel nail made of iron (Fe) and carbon (C)
first CORRECT answer will get 50 points
Answers: 3
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Which substance is a pure substance?
salt water made from 20 g of NaCl dissolved in 80 g of H2O
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