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{p.s this is hand-written not copied and pasted. Use freely}
Answer:
James West impacted his field in an abundance of ways. For example, West and Sessler are credited as the inventors of the “foil electret microphone”. Without the creation of this compact microphone over 90 percent of all contemporary microphones – which includes those found in telephones, tape records, baby monitors and hearing aids would cease to exist today.
Answer: 14.62 ml
Explanation:
Molarity is defined as the number of moles of solute dissolved per liter of the solution.
where,
n= moles of solute
= volume of solution in ml = 250 ml
Now put all the given values in the formula of molarity, we get
To calculate the volume of base, we use the equation given by neutralization reaction:
where,
are the n-factor, molarity and volume of acid which is
are the n-factor, molarity and volume of base which is NaOH.
We are given:
Putting values in above equation, we get:
Thus the volume of NaOH solution the student will need to add to reach the final equivalence point is 14.62 ml
Answer:
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