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Tems11 [23]
2 years ago
5

What would be the atomic mass of Nitrogen-14​

Chemistry
2 answers:
Shkiper50 [21]2 years ago
8 0

Answer:

14.007 amu

Explanation:

Nitrogen has atomic mass of 14.007 amu.

Maurinko [17]2 years ago
7 0

Answer:

The atomic mass of nitrogen is

<h2>14.0067 u</h2>

<h2><em>You learn more from failure than from success</em></h2>
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What ions exist in acid solutions
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Hydrogen Ions exist in acid solutions.
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3 years ago
Given the reaction to 2NaOH + H2 SO4 â Na2 SO4 + 2H2 O, what is the total number of grams of NaOH needed to react completely wit
vfiekz [6]

Answer:

4 moles, 160 g

Explanation:

The formula for the calculation of moles is shown below:

moles = \frac{Mass\ taken}{Molar\ mass}

For H_2SO_4:-  

Mass of H_2SO_4 = 196 g

Molar mass of H_2SO_4 = 98 g/mol

The formula for the calculation of moles is shown below:

moles = \frac{Mass\ taken}{Molar\ mass}

Thus,

Moles= \frac{196\ g}{98\ g/mol}

Moles\ of\ Sulfuric\ acid= 2\ mol

According to the given reaction:

2NaOH+H_2SO_4\rightarrow Na_2SO_4+2H_2O

1 mole of sulfuric acid reacts with 2 moles of NaOH

So,  

2 moles of sulfuric acid reacts with 2*2 moles of NaOH

Moles of NaOH must react = 4 moles

Molar mass of NaOH = 40 g/mol

<u>Mass = Moles*molar mass = 4\times 40\ g = 160 g</u>

7 0
2 years ago
Please help ASAP, chemistry question. I’ll make your answer the BRAINLIEST. Thanks (picture attached)
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Answer:

Electrochemical Cell

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3. What was the temperature in
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Q = mcΔT

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