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IgorC [24]
2 years ago
14

What is the resistance of a blub when the voltage across is 6 V and the current is 0.2A?

Chemistry
1 answer:
Natasha_Volkova [10]2 years ago
5 0

Answer:

30 Ohms (Ω)

Explanation:

Resistance = Voltage/Current

R = 6/0.2

R = 30 Ohms (Ω)

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Not all the sample is actually KHP if the KHP is a little moist, so when mass was used to determine the moles of KHP, a higher number of moles than what is actually present would be obtained (because some of that mass was not KHP but it was assumed to be so. Therefore, there is actually a less present number of moles than the certain number that was thought of.

During the titration, NaOH reacts in a 1:1 ratio with KHP. So it was determined that there was the same number of moles of NaOH was the volume used as there were KHP in the mass that was weighed out. Since there was an overestimation in the moles of KHP, then there also would be an overestimation in the number of moles of NaOH.

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