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horrorfan [7]
3 years ago
7

Calculate with the correct number of significant figures 2.0 x 10^5 x 3.00 x 10^8

Chemistry
1 answer:
xxMikexx [17]3 years ago
3 0

Answer:

the correct answer is 17 significant figures

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Rufina [12.5K]

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2. C population

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5. B ecosystem

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Explanation:

Yes, both 2 and 3 have the same answer. Im very sure that the correct answer.

7 0
3 years ago
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How many moles of iron are in 50.0g of iron? How many iron atoms are in 59.0g of iron?
Julli [10]

Answer:

50.0 \div 59.0 = 10

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7 0
2 years ago
8. If you have 100 ml of 10X Buffer A, how could you prepare 450 ml of 1 X buffer A?
lakkis [162]

We have that you can you prepare 450 ml of 1 X buffer A by adding 45ml of 10X buffer A with 405ml(450-45) of water

From the question we are told

If you have 100 ml of 10X Buffer A, how could you prepare 450 ml of 1 X buffer A

Generally the equation for the  Concentration  Volume relationship is mathematically given as

C1V1=C2V2\\\\Where\\\\C1=10X\\\\C2=1X buffer A\\\\V2=450ml \\\\Therefore\\\\V1=\frac{450*1}{10}\\\\V1=45ml

Therefore

You can you prepare 450 ml of 1 X buffer A by adding 45ml of 10X buffer A with 405ml(450-45) of water

For more information on this visit

brainly.com/question/17756498

6 0
2 years ago
What is the molecular formula for chloroform? none of these choices CH3C CHCI3 CH2C12 CCI4
dangina [55]

Answer:

CHCI₃

Explanation:

Chloroform, IUPAC name, trichloromethane, is organic compound with the molecular  formula CHCl₃. It is colorless and sweet-smelling liquid having high density which is produced on a large scale precursor of PTFE , and for various refrigerants .

Chloroform , is a powerful euphoriant , anxiolytic , anesthetic and sedative when inhaled or ingested .

4 0
3 years ago
What is Carbons position on the Periodic table?
MrRissso [65]
Carbon is located in the fourth group, second period. It is also in the nonmetal section of the table as well
7 0
3 years ago
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