Phenol red indicator changes from yellow to red in the ph
Phenol red indicator changes from yellow to red in the pH range 6.6 to 8.0. State what color the indicator will assume at the equivalence point for the titration of NHc with HCL
a) red
b) yellow
c) red/ yellow mix
d) there is not enough info.
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A 860 ? resistor is connected to a variable-voltage power supply. What current flows in the resistor when the voltage is 15 V?
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