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Elanso [62]
3 years ago
11

3 more leftttttttttttttttttttttttttttttttttttttttttt

Chemistry
2 answers:
Marianna [84]3 years ago
6 0
1.= less than 7 2.=it does not change
aksik [14]3 years ago
3 0
1. acids have a pH lower than 7
2.the total mass of a substance does not change during a chemical reaction

hope this helps u !!!!!!!!!1

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