Ex34 P31 11th Grade Chemistry (gr)
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CN2 200μg/cm3 a) x; g/m3 b) x; g/dm3 c) x; mg/dm3 d) x; g/cm3 a) 1μg= 10-6g 1cm3=10-6m3 => 200μg/cm3= 200 * 10-6g/10-6m3 => = 200g/m3 b)
c)
d)
1μg=10-6g 1cm3=10-3dm3 => 200μg/cm3=200 * 10-6g/10-3dm3 =200 * 0.000001g/0.001dm3 =200 * 0.001g/dm3 =0.2 g/dm3 1μg=10-3mg 1cm3=10-3dm 200g/cm3=200 * 10-3mg/10-3dm3 =200mg/dm3 1μg=10-6g 1cm3=100cm3 200μg/cm3=200 * 10-6g/100cm3 =200 * 0.000001g/cm3 =0.0002g/cm3
c)
d)
1μg=10-6g 1cm3=10-3dm3 => 200μg/cm3=200 * 10-6g/10-3dm3 =200 * 0.000001g/0.001dm3 =200 * 0.001g/dm3 =0.2 g/dm3 1μg=10-3mg 1cm3=10-3dm 200g/cm3=200 * 10-3mg/10-3dm3 =200mg/dm3 1μg=10-6g 1cm3=100cm3 200μg/cm3=200 * 10-6g/100cm3 =200 * 0.000001g/cm3 =0.0002g/cm3
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