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Lelu [443]
3 years ago
13

3 CuCl2 + 2A1 –> 2AlCl3 + 3Cu

Chemistry
2 answers:
cricket20 [7]3 years ago
6 0

Answer:

aluminum

Explanation:

just did it on edge2020

FrozenT [24]3 years ago
3 0

Answer:

Copper ll Chloride

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the pH of a solution is a measure of the acidity or alkalinity of a solution. Water has a pH of 7 and, in general, acids have a
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Answer:

7.1

Explanation:

equation to calculate pH is

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3 years ago
How did earths layers develop?<br>(Science)
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3 years ago
What is the approximate percent by mass of potassium in KHCO3?
lozanna [386]

Answer:

The mass percent of potassium is 39%

Option C is correct

Explanation:

Step 1: Data given

Atomic mass of K = 39.10 g/mol

Atomic mass of H = 1.01 g/mol

Atomic mass of C = 12.01 g/mol

Atomic mass of O = 16.0 g/mol

Step 2: Calculate molar mass of KHCO3

Molar mass KHCO3 = 39.10 + 12.01 + 1.01 + 3*16.0

Molar mass KHCO3 = 100.12 g/mol

Step 3: Calculate mass percent of potassium (K)

%K = (atomic mass of K / molar mass of KHCO3) * 100%

%K = (39.10 / 100.12) * 100%

%K = 39.05 %

The mass percent of potassium is 39%

Option C is correct

8 0
3 years ago
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LUCKY_DIMON [66]

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6 0
3 years ago
Which two chemical substances are needed to begin the photosynthesis factory process?
Rudiy27
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