Your question is how to do the conversion of the units of mole/liter to gram/liter.
Mole/liter, written as mol/L, is an amount (in units of mole) per liter.
To do this conversion, we need to know the convert mole to gram or vice versa.
To this end, we need to use the physical property of molar mass in units of gram/mole. This is the mass per mole of substance, in your case the substance is Vitamin B-12.
According to Wikipedia, the molar mass of Vitamin B-12 is 1355.37 g/mol.
Your question is how to do the conversion of the units of mole/liter to gram/liter. Mole/liter, written as mol/L, is an amount (in units of mole) per liter.
To do this conversion, we need to know the convert mole to gram or vice versa.
To this end, we need to use the physical property of molar mass in units of gram/mole. This is the mass per mole of substance, in your case the substance is Vitamin B-12. According to Wikipedia, the molar mass of Vitamin B-12 is 1355.37 g/mol.
Simple: your article is discussing vitamin B-12 whereas the first calculator you link is for estradiol, a compound with a very different molar mass. Your second one works fine. You just have to use the Vitamin B-12 converter.
Simple: your article is discussing vitamin B-12 whereas the first calculator you link is for estradiol, a compound with a very different molar mass. Your second one works fine. You just have to use the Vitamin B-12 converter.
Your question is how to do the conversion of the units of mole/liter to gram/liter. Mole/liter, written as mol/L, is an amount (in units of mole) per liter.
To do this conversion, we need to know the convert mole to gram or vice versa.
To this end, we need to use the physical property of molar mass in units of gram/mole. This is the mass per mole of substance, in your case the substance is Vitamin B-12. According to Wikipedia, the molar mass of Vitamin B-12 is 1355.37 g/mol.
$$\frac{200\times 10^{-12} \frac{g}{mL}}{1355.37 \frac{g}{mol}}=0.146\times10^{-12}\frac{mol}{mL}=146\times10^{-12}\frac{mol}{L}=146\frac{pmol}{L}$$
Your question is how to do the conversion of the units of mole/liter to gram/liter. Mole/liter, written as mol/L, is an amount (in units of mole) per liter.
To do this conversion, we need to know the convert mole to gram or vice versa.
To this end, we need to use the physical property of molar mass in units of gram/mole. This is the mass per mole of substance, in your case the substance is Vitamin B-12. According to Wikipedia, the molar mass of Vitamin B-12 is 1355.37 g/mol.
$$\frac{200\times 10^{-12} \frac{g}{mL}}{1355.37 \frac{g}{mol}}=0.146\times10^{-12}\frac{mol}{mL}=146\times10^{-12}\frac{mol}{L}=146\frac{pmol}{L}$$
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Simple: your article is discussing vitamin B-12 whereas the first calculator you link is for estradiol, a compound with a very different molar mass. Your second one works fine. You just have to use the Vitamin B-12 converter.
Simple: your article is discussing vitamin B-12 whereas the first calculator you link is for estradiol, a compound with a very different molar mass. Your second one works fine. You just have to use the Vitamin B-12 converter.
More
VOTE
VOTE