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vlabodo [156]
3 years ago
15

Question 4

Chemistry
2 answers:
vitfil [10]3 years ago
8 0
50.0ml is the answer nacho
k0ka [10]3 years ago
6 0

Answer:

25.00mL

Explanation:

It is the volume of NaOH at equiv pt.

This part is just an explanation do not include in your answer:

We can plug the values we have to the equation MV = MV.

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How many grams of i2 are needed to react with 30.1 g of n2h4?
Nina [5.8K]

The reaction is,

H2S + I2 --------------> 2 HI +S

Molar weight of H2S = 34 g per mol

Molar weight of HI =128 g per mol

Molar weight of I2 =254 g per mol

Moles of H2S in 49.2 g  = 49.2 /34 mol = 1.447 mol

So according to stoichiometry of the reaction, number of I2 mols needed                      

                                  = 1.447 mol

The mass of I2  needed = 1.447 mol x 254 g

8 0
3 years ago
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Which of the following is the correct chemical equation and is properly balanced for:
lbvjy [14]

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Explanation:

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4 0
4 years ago
A ball is moving at a speed of 6.70 m/s. If the kinetic energy of the ball is 3.10 J, what is the mass of the ball?​
Anni [7]

Answer:

<h2>0.14 kg</h2>

Explanation:

The mass of the ball can be found by using the formula

m =  \frac{2k}{ {v}^{2} }  \\

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From the question we have

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We have the final answer as

<h3>0.14 kg</h3>

Hope this helps you

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Someone help me pls!
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