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Nimfa-mama [501]
3 years ago
8

On a periodic table, element names are represented by: A. numbers B. chemical symbols C. pictures D. matter

Chemistry
2 answers:
MissTica3 years ago
5 0
Hello!

This must be a multiple choice question.

On a periodic table, every element is listed by it's element symbol and atomic number. For example, the atomic number and symbol for gold are 79 and Au. So, the answers are: A. Numbers and B. Chemical symbols.
kifflom [539]3 years ago
4 0
Elements on the periodic table are represented by chemical symbols.
Ex: O means Oxygen
Ex: Ag means Silver
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Explanation:

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2 years ago
Calculate the amount (in grams) of kcl present in 75.0 ml of 2.10 m kcl
Lera25 [3.4K]
V = 75 mL = 0,075 L = 0,075 dm³
C = 2.1M
n = ?
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C = n/V
n = C×V
n = 2.1×0,075
n = 0,1575 mol
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mKCl: 39+35.5 = 74,5 g/mol

74,5g --------- 1 mol
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3 years ago
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vesna_86 [32]

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3 0
1 year ago
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mixas84 [53]

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8 0
3 years ago
Calculate the change in ph when hcl is added to a buffer solutio that is nh3 and nh4
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