Conversion Chemistry Question
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Conversion Chemistry Question

[From: ] [author: ] [Date: 11-05-19] [Hit: ]
8 x 10^4 picograms.so,......
1)How many nanometres are in 1 angstrom?
2)How many picograms are in 10mg? in 38ng?
3) How many microlitres are in 2L? in 50mL?

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(1) 1 angstrom = 10^-10m or 1/10 x 10^-9m = 1/10 nm

(2) 1 picogram = 10^-12g
So, 10mg = 10/1000g = 10^-2g will have (1/10^-12) x 10^-2 = 10^10 picograms.

Again 38ng = 38 x 10^-9g will have (1/10^-12) x 38 x 10^-9 = 3.8 x 10^4 picograms.

(3) 1 microlitre = 10^-6 liters
so, 2 liters = (1/10^-6) x 2 = 2 x 10^6 microliters

50ml = 50/1000 liters will have (1/10^-6) x (50/1000) = 5 x 10^4 microliters
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