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fomenos
2 years ago
10

PLS HELP MEEEEEEEEEEEE​

Chemistry
1 answer:
Nikitich [7]2 years ago
6 0

Answer:

108- Hassium

11- sodium

56- Barium

92- uranium

25- manganese

103- lawrencium

10- neon

22- titanium

8- oxygen

14- silicon

32- germanium

39- yttrium

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The color change of an indicator is used to determine ​
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Answer:

Whether a solution is acidic or basic can be measured on the pH scale. When universal indicator is added to a solution, the color change can indicate the approximate pH of the solution. Acids cause universal indicator solution to change from green toward red. ... Acidic solutions have a pH below 7 on the pH scale.

Explanation:

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The three most common states of matter on Earth are solids,blank
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c) CaO+CO_2\rightarrow CaCO_3: Synthesis (Combination)

d) ZnSO_4+Mg\rightarrow MgSO_4+Zn: redox

Explanation:

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Ba(ClO_3)_2\rightarrow BaCl_2+3O_2

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NaNO_2+HCl\rightarrow NaCl+HNO_2

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4 0
3 years ago
Calculate the acid dissociation constant Ka of a 0.2 M solution of weak acid that is 0.1% ionized is ________.
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Ka= Cx × Cx/C-Cx

Ka= C²X²/C(1-x)

Ka= Cx²/1-x

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Therefore the dissociation constant is

2.00×10^-7

7 0
2 years ago
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