# Chemistry help...AGAIN!?

Sorry, i know this would be my 3rd chemistry question, but i don't get chemistry at all. I would love it if people could help me with these-
How many liters are there in 15 mililiters?
How many centigrams are in 45 miligrams?
Calculate the density of a piece of wood that has a volume of 366...
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Sorry, i know this would be my 3rd chemistry question, but i don't get chemistry at all. I would love it if people could help me with these-

How many liters are there in 15 mililiters?

How many centigrams are in 45 miligrams?

Calculate the density of a piece of wood that has a volume of 366 centimeters and a mass of 2.5 grams.

A sample of a substance that has a density of 0.824 g/mL has a mass of 0.451 g. Calculate the volume of the sample.

Calculate the number of atoms of sodium in 3/56 g of sodium.

How many grams are in 8.2 moles of chlorine?

If you have 1.2 moles of carbon, how many grams do you have?

Write the electron configuration for calcium.

<3

How many liters are there in 15 mililiters?

How many centigrams are in 45 miligrams?

Calculate the density of a piece of wood that has a volume of 366 centimeters and a mass of 2.5 grams.

A sample of a substance that has a density of 0.824 g/mL has a mass of 0.451 g. Calculate the volume of the sample.

Calculate the number of atoms of sodium in 3/56 g of sodium.

How many grams are in 8.2 moles of chlorine?

If you have 1.2 moles of carbon, how many grams do you have?

Write the electron configuration for calcium.

<3

Update:
if you dont want to give me the answers, at least tell me how i can solve them. what equation do i use?

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