(b) four 4. What is the length in millimeters of a crystal of copper sulfate tha

Question

(b) four 4. What is the length in millimeters of a crystal of copper sulfate that is 0.180 in. long? a VA 5. Perform the following conversions: (a) 72.3 mg to g, (b) 6.0x10 10 m to mm, and (c) 325 mm to um 6. DNA is approximately 2.5 nm in length. If an average man is 5 ft 10 in. tall, how many DNA molecules could be stacked to extend from the ground to the top of the head of an average man? 7. A liquid has a volume of 3.7o L. What is its volume in ml In cm Copyright 2015 Pearson Education, Inc.

Explanation / Answer

5)
a)
remember:
1 g = 1000 mg

we have 72.3 mg
= 72.3 mg * (1/1000) g/mg
=0.0723 g

Answer: 0.0723 g

b)
remember :
1 m = 1000 mm

we have
6.0*10^-10 m
= 6.0*10^-10 m * 1000 mm /m
= 6.0*10^-7 mm

Answer: 6.0*10^-7 mm

c)
325 mm
= 325 mm * (1/1000) m/mm
=0.325 m
= 0.325 m * (1*10^6) um/m
= 3.25*10^5 um

Answer: 3.25*10^5 um

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