![SOLVED: the critical concentration of micronutrients needed in tissue is equal to or less than (1) 1 ppm (2) 10 ppm (3) 100 ppm (4) 1000 ppm SOLVED: the critical concentration of micronutrients needed in tissue is equal to or less than (1) 1 ppm (2) 10 ppm (3) 100 ppm (4) 1000 ppm](https://cdn.numerade.com/ask_previews/46c9f5e6-e9c2-486c-a935-47c0e7e18931_large.jpg)
SOLVED: the critical concentration of micronutrients needed in tissue is equal to or less than (1) 1 ppm (2) 10 ppm (3) 100 ppm (4) 1000 ppm
![Parts per Million Concentration. Parts per Million (ppm) is the ratio of the number of grams of solute for every one million grams of solution. parts. - ppt download Parts per Million Concentration. Parts per Million (ppm) is the ratio of the number of grams of solute for every one million grams of solution. parts. - ppt download](https://images.slideplayer.com/25/7788444/slides/slide_4.jpg)
Parts per Million Concentration. Parts per Million (ppm) is the ratio of the number of grams of solute for every one million grams of solution. parts. - ppt download
![Suppose a pure Si-crystal has 6xx10^(28) "atoms" m^(-3). It is doped by 1 ppm concentration of pentavalent As. Calculate the number of electrons and holes. Give that n(i)=1.5xx10^(16)m^(-3). Suppose a pure Si-crystal has 6xx10^(28) "atoms" m^(-3). It is doped by 1 ppm concentration of pentavalent As. Calculate the number of electrons and holes. Give that n(i)=1.5xx10^(16)m^(-3).](https://d10lpgp6xz60nq.cloudfront.net/web-thumb/644373252_web.png)
Suppose a pure Si-crystal has 6xx10^(28) "atoms" m^(-3). It is doped by 1 ppm concentration of pentavalent As. Calculate the number of electrons and holes. Give that n(i)=1.5xx10^(16)m^(-3).
![A sample of drinking water was found to be severely contaminated with chloroform (CHCl3) supposed to be a carcinogen. The level of contamination was 15 ppm (by mass):(i) express this in percent A sample of drinking water was found to be severely contaminated with chloroform (CHCl3) supposed to be a carcinogen. The level of contamination was 15 ppm (by mass):(i) express this in percent](https://i.ytimg.com/vi/_uX-CXZ7Jvc/maxresdefault.jpg)
A sample of drinking water was found to be severely contaminated with chloroform (CHCl3) supposed to be a carcinogen. The level of contamination was 15 ppm (by mass):(i) express this in percent
![10.30 mg of O2 is dissolved into a liter of sea water of density 1.03 g/mL . The concentration of O2 in ppm is . 10.30 mg of O2 is dissolved into a liter of sea water of density 1.03 g/mL . The concentration of O2 in ppm is .](https://haygot.s3.amazonaws.com/questions/1480393_1697500_ans_442cadf7a3bf4346bc7af415addc57c8.jpg)
10.30 mg of O2 is dissolved into a liter of sea water of density 1.03 g/mL . The concentration of O2 in ppm is .
![Units Conversion There are 1,000 milligrams (mg) in 1 gram (g) milli = 1 *10-3 milligrams per liter (mg/l) are equal to parts per million (ppm) - ppt download Units Conversion There are 1,000 milligrams (mg) in 1 gram (g) milli = 1 *10-3 milligrams per liter (mg/l) are equal to parts per million (ppm) - ppt download](https://images.slideplayer.com/47/11649444/slides/slide_8.jpg)