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vladimir1956 [14]
3 years ago
12

How many grams of chlorine gas are needed to

Chemistry
1 answer:
erastova [34]3 years ago
7 0

Answer:

answer pl

please

because I

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Pipettes are used when measuring the volumes of liquids with high degree of precision. The following volumes were obtained durin
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Answer:

0.075

Explanation:

First obtain the mean of the measurement;

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Then obtain d^2= (mean-score)^2 for each score;

(10.15-10.03)^2 = 0.0144

(9.95-10.03)^2 = 0.0064

(9.99-10.03)^2 = 0.0016

(10.02-10.03)^2= 0.0001

∑d^2= 0.0144 + 0.0064 + 0.0016 + 0.0001

∑d^2= 0.0225

Variance = ∑d^2/N = 0.0225/4 = 0.005625

Standard deviation= √0.005625

Standard deviation= 0.075

6 0
3 years ago
Please help do not understand!!!!!!!!!!!!!!!
makvit [3.9K]

Answer:

If your asking how much the reactions weigh separately than it should be 25

Explanation:

25 +25=50

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The term that refers to compounds that can form hydrates but do not contain water molecules is anhydrous.
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