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dmitriy555 [2]
3 years ago
11

HCl +KOH ---> KCl + H20

Chemistry
1 answer:
MA_775_DIABLO [31]3 years ago
4 0

Answer:

5.59x10^-3 moles

Explanation:

The balanced equation for the reaction is given below:

HCl + KOH —> KCl + H2O

Now we can obtain the number of mole of HCl required to produce 5.59x10^-3 moles of KCl as follow:

From the balanced equation above, 1 mole of HCl produced 1 mole of KCl.

Therefore, 5.59x10^-3 moles of HCl will also produce 5.59x10^-3 moles of KCl.

From the illustration made above, we can see evidently that 5.59x10^-3 moles of HCl is required to produce 5.59x10^-3 moles of KCl

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A river carries pieces of granite from a mountain to the sea.
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Answer:

The Granite is eroded, weathered, and is being transported away. The Granite will then be deposited into a lake or a sea. This could also go to help form a new sedimentary rock.

Explanation:

5 0
3 years ago
Solid aluminum (AI) and oxygen (O_2) gas react to form solid aluminum oxide (Al_2O_3). Suppose you have 7.0 mol of Al and 9.0 mo
Nimfa-mama [501]

Answer:

There will be formed 3.5 moles of Al2O3 ( 356.9 grams)

Explanation:

Step 1: Data given

Numbers of Al = 7.0 mol

Numbers of mol O2 = O2

Molar mass of Al = 26.98 g/mol

Molar mass of O2 = 32 g/mol

Step 2: The balanced equation

4Al(s) + 3O2(g) → 2Al2O3(s)  

Step 3: Calculate limiting reactant

For 4 moles Al we need 3 moles O2 to produce 2 moles Al2O3

Al is the limiting reactant, it will be consumed completely (7 moles).

O2 is in excess.  There will react 3/4 * 7 = 5.25 moles

There will remain 9-5.25 = 3.75 moles

Step 4: Calculate moles Al2O3

For 4 moles Al we'll have 2moles Al2O3

For 7.0 moles of Al we'll have 3.5 moles of Al2O3 produced

Step 5: Calculate mass of Al2O3

Mass Al2O3 = moles Al2O3 * molar mass Al2O3

Mass Al2O3 = 3.5 moles* 101.96 g/mol

Mass Al2O3 = 356.9 grams

There will be formed 3.5 moles of Al2O3 ( 356.9 grams)

3 0
3 years ago
What is Tiny grains that contain sperm call
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Answer:

Pollen

Explanation:

Pollen is a powdery substance consisting of pollen grains which are male microgametophytes of seed plants, which produce male gametes (sperm cells).

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Which substances will make a salt when combined?
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The answer is D. Fertilizer and vinegar
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What are 5 most abundant elements in the Earth's crust​
allochka39001 [22]

Explanation:

Element Abundance percent by weight Abundance parts per million by weight

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Silicon 28.2% 282,000

Aluminum 8.23% 82,300

Iron 5.63% 56,300

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3 years ago
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