erikpaynee8622
23.06.2019 •
Chemistry
13,000. cm has how many significant figures?
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Ответ:
since there is a decimal point at the end, they are all significant figures so the answer is 5
Ответ:
its 5
Explanation:
Ответ:
Explanation:
H+ is a representation of the number if hydrogen ions also known as acidity of a substance, it is well known that pH <7 represents acidity and acidity increases from 6 to 0. 7 i known as neutral, while 8-14 represents alkalinity/base. pH scale ranges from 0-14. pH 10, 7, 5 is the order of increasing H+.