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Alex Ar [27]
2 years ago
11

3) In which system do molecule-ion attractions

Chemistry
1 answer:
labwork [276]2 years ago
3 0
The answer is b this is your answer
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I’ll mark as brainliest
zysi [14]

First, let's count mole of 10 g Calcium Carbonate

mole = Mass / Molecular Mass

Calcium Carbonate = CaCO₃

Molecular Mass = Ar Ca + Ar C + (3 x Ar O)

Molecular Mass = 40 + 12 + (3 x 16)

Molecular Mass = 100

next

Mole of CaCO₃ = 10 gram / 100

Mole of CaCO₃ = 0,1 mol

then equal the reaction equation first

 CaCO₃ + 2 HCl  ==>  CaCl₂ +  CO₂  +  H₂O     (Equal)

To count the mass of carbon dioxide that produced we must know the mole of CO₂ first

we can count by coefficient comparison

mole CO₂ = \frac{coefficient \ of \ CO_2}{coefficient \ of \ CaCO_3}  x mole CaCO₃

mole  CO₂ =  (1/1)  x 0,1 mole

mole  CO₂ = 0,1 mole

so

Mass of  CO₂ = mole  CO₂ x  Molecular Mass of  CO₂

Mass of  CO₂ = 0,1 mole x (12 + (2 x 16))

Mass of  CO₂ = 0,1 mole x 44

Mass of  CO₂ = 4,4 g

so, mass of carbon dioxide that's produced by 10 g of calcium carbonate on reaction with chloride acid is 4,4 g.

6 0
3 years ago
Could someone help me
qwelly [4]

Answer:

The space in the container so how small it is the more pressure is going to build up. YOUR WELCOME AND HAVR A GOOD DAY.

4 0
2 years ago
1. Identify a conjugate acid-base pair in the reaction
Alona [7]
A.
H20 and OH are a conjugate acid-base pair.
6 0
3 years ago
If the [H₃O⁺] of a solution is 1.7 x 10⁻³ M, what is the pH of the solution?
vesna_86 [32]

Answer:

The pH of the solution is 2.77

Explanation:

Data obtained from the question include:

Concentration of hydronium ion, [H₃O⁺] = 1.7 x 10⁻³ M

pH =?

The pH is define as the measure of concentration of Hydrogen ion [H⁺] or hydronium [H₃O⁺] in an acid or a base. Mathematically, it is expressed as:

pH = –Log [H₃O⁺]

With the above equation, the pH can be obtained as follow:

pH = –Log [H₃O⁺]

[H₃O⁺] = 1.7 x 10⁻³ M

pH = –Log 1.7 x 10⁻³ M

pH = 2.77

Therefore, the pH of the solution is 2.77

6 0
3 years ago
How do you figure out Unit Conversions?
laila [671]

Answer:

158 kg to g will give you 158,000

Explanation:

Dimensional Analysis - we find relationships between numbers and try to cross multiply.

\frac{158 kg}  \\ \frac{1000g}{1kg} = 158000gg

8 0
3 years ago
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