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Gelneren [198K]
3 years ago
15

the air pressure was 101.3 kPa, but the weatherman said it was 1001.3 kPa. What is the percentage error​

Chemistry
1 answer:
Andrew [12]3 years ago
5 0

Answer:

percentage error = 888.45 %

Explanation:

We calculate the percentage error using the following formula:

percentage error = [(estimated number - actual number) / actual number) × 100

percentage error = [(1001.3 - 101.3) /  101.3] × 100

percentage error = 888.45 %

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Alona [7]

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Explanation:

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3 0
3 years ago
Read 2 more answers
How many grams of chlorine gas can be produced when 50.0 grams of aluminum chloride decompose? 2AlCl3→ 2Al + 3Cl2
lianna [129]

Answer:

Explanation:

Approx.

425

⋅

g

Explanation:

2

A

l

(

s

)

+

3

C

l

2

(

g

)

→

2

A

l

C

l

3

(

s

)

You have given a stoichiometrically balanced equation, so bravo.

The equation explicitly tells us that

54

⋅

g

of aluminum metal reacts with

6

×

35.45

⋅

g

C

l

2

gas to give

266.7

⋅

g

of

aluminum trichloride

hope this helps

6 0
3 years ago
A block of magnesium has a mass of 14.3 g and a volume of 8.46 cm3. What is the density of
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