Answer :
To convert a mass from milligrams (mg) to kilograms (kg), we need to go through a couple of conversion steps. Let's break it down:
1. Convert milligrams to grams:
- We know that 1 gram (g) is equal to 1,000 milligrams (mg). Therefore, to convert from milligrams to grams, we divide the mass in milligrams by 1,000.
- For a mass of 245 mg:
[tex]\[
\text{mass in grams} = \frac{245 \, \text{mg}}{1,000} = 0.245 \, \text{g}
\][/tex]
2. Convert grams to kilograms:
- We know that 1 kilogram (kg) is equal to 1,000 grams (g). So, to convert from grams to kilograms, we divide the mass in grams by 1,000.
- For a mass of 0.245 g:
[tex]\[
\text{mass in kilograms} = \frac{0.245 \, \text{g}}{1,000} = 0.000245 \, \text{kg}
\][/tex]
So, the mass of the nitrogen in kilograms is 0.000245 kg.
1. Convert milligrams to grams:
- We know that 1 gram (g) is equal to 1,000 milligrams (mg). Therefore, to convert from milligrams to grams, we divide the mass in milligrams by 1,000.
- For a mass of 245 mg:
[tex]\[
\text{mass in grams} = \frac{245 \, \text{mg}}{1,000} = 0.245 \, \text{g}
\][/tex]
2. Convert grams to kilograms:
- We know that 1 kilogram (kg) is equal to 1,000 grams (g). So, to convert from grams to kilograms, we divide the mass in grams by 1,000.
- For a mass of 0.245 g:
[tex]\[
\text{mass in kilograms} = \frac{0.245 \, \text{g}}{1,000} = 0.000245 \, \text{kg}
\][/tex]
So, the mass of the nitrogen in kilograms is 0.000245 kg.