The radio station z107.7 broadcasts radio waves. What do the numbers 107.7 represent?
2 answers:
Answer : The number 107.7 represent the frequency.
Explanation :
Frequency : It is defined as the number of oscillations per second. the S.I unit of frequency is, Hertz (Hz)
Formula of frequency is,
where,
f = frequency
t = time period
Radio frequency : It is the rate of oscillation of electromagnetic radio waves within the range of 3 kHz to 300 GHz.
Therefore, the number 107.7 represent the frequency.
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Answer : The volume of 3.0 M spinach solution added should be, 50 mL
Explanation :
Formula used :
where,
are the initial molarity and volume of spinach solution.
are the final molarity and volume of diluted spinach solution.
We are given:
Now put all the given values in above equation, we get:
Hence, the volume of 3.0 M spinach solution added should be, 50 mL