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nikdorinn [45]
3 years ago
11

Ni4+ + _____e- LaTeX: \longrightarrow⟶ Nix+

Chemistry
1 answer:
stich3 [128]3 years ago
4 0
Kdd was he e shxiuw r thai ed
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Precipitation reactions: Hg(NO3)2(aq) +Na2CrO4(aq) = _________ (aq) + NaNO3 (s)
valina [46]
The completed and balanced equation is:
<span>Hg(N<span>O3</span><span>)2</span>+N<span>a2</span>Cr<span>O4</span>=HgCr<span>O4</span>+2Na(N<span>O3</span>)
Hope this helps :)</span>
5 0
3 years ago
How many significant figures does .150, 20.20, and 25.00 have?
viva [34]
.150 = 3
20.20 = 4
25.00 = 4
If a 0 does not have a number or a period after it, it is not significant.
If the 0 is behind the decimal point, it is always significant.
6 0
3 years ago
Which is most likely water?​
svp [43]

Answer:

A

it looks like a liquid

Explanation:

4 0
3 years ago
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Use the periodic table to calculate the molar mass of each of the following compounds. Give your answer to the correct number of
Musya8 [376]

1) Answer is: molar mas of ammonia is 17.031 g/mol.

M(NH₃) = Ar(N) + 3 · Ar(H) · g/mol.

M(NH₃) = 14.007 + 3 · 1.008 · g/mol.

M(NH₃) = 17.031 g/mol.

2) Answer is: molar mas of lead(II) chloride is 278.106 g/mol.

M(PbCl₂) = Ar(Pb) + 2 · Ar(Cl) · g/mol.

M(PbCl₂) = 207.2 + 2 · 35.453 · g/mol.

M(PbCl₂) = 278.106 g/mol.

3) Answer is: molar mas of acetic acid is 60.052 g/mol.

M(CH₃COOH) = 2 · Ar(C) + 2 · Ar(O) + 4 · Ar(H) · g/mol.

M(CH₃COOH) = 2 · 12.0107 + 2 · 15.9994 + 4 · 1.008 · g/mol.

M(CH₃COOH) = 60.052 g/mol.

5 0
3 years ago
Read 2 more answers
Solution A: pH of 10
serious [3.7K]

Answer:

I think it’s C,B,A

Explanation:

5 0
3 years ago
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