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It would take up the volume of the container it was in. If you want to find the volume of the water vapor at a certain pressure, you can use the Idea Gas Law: PV = nRT, where P is pressure in Atm, V is volume in L, n is the number of moles (18 mL of water is about 1 mole), R is the ideal gas constant(0.08206 L*Atm/mol*K), and T is the temperature in Kelvin (temperature in Celsius plus 273.16).

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volume is not equal to mass. a gas will expand or contract depending on the temperature and pressure of its surroundings. the same amount of water is there it's just more spread out.

This sounds like homework:

Hint - 1,000 millilitres is 1 litre.

It Evaporates itself

Q: How much space would 18mL of water take up if it evaporated?

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0.6 ounce

No. 49.33L describes measurements down to hundredths of a liter. 18ml describes measurements down to thousandths.

1.5*12 is 18ml.

18mL equals 0.18dL (there are 100mL per deciliter).

Avogadro's number. I will show you. 18.02 grams water (1 mole H2O/18.016 grams)(6.022 X 1023/1 mole H2O) = 6.021 X 1023 atoms of water ----------------------------------------

Obviously 15 - 18ml per gram approx.

18/18 x Avagadros number = 6.023 x 1023 molecules of water making the assumption that 1ml of water has 1 g mass. There are 8 electrons in oxygen and 1 from each hydrogen so a water molecule has 10 electrons so 6.023 x 1023 x 10 = 6.023 x 1024 electrons *********** because 18ml of H2O = 1 mole of H2O so. 18ml contains 6.023X1023 atoms and water has 10 electrons so, 10 e x 6.023 x 1023 = 6.023 x 1024

4750ml - 18ml = 4732ml.......

One teaspoon is about 5ml. So 18ml would be around/just under 4 teaspoons. Check the related link I have provided below. It gives you a detailed chart of teaspoon measurements converted to ml.

the 30L water vapor sample is a gas gases exert pressure on their surroundings thus taking on the shape of their containers the gas is under 1 ATM of pressure so it exerts pressure in return and the volume becomes 30L when the presures are equal if the temperature were to decrease to room temperature, the water vapor would condense to a liquid and the volume would decrease liquids have a volume but no definite shape while gases have neither a definite volume or shape

3.48 tsp 1 milliliter equals 0.202 US teaspoons. 1 teaspoon is 4.928 milliliters

Depends. It sounds like a vague question. Say you wanted to know how mLs are in 1mol of pure water @ 25c. 1mol of water is 18g. The density of water is 1g/1ml. So 1mol of water is 18mL. So convert the amount of moles into grams. And times the amount of grams by the density. M x D = mL Or if you want to know how many mLs are in 2mols of 0.5mol/L solution. Which is is 4000mL btw. You would divide the amount in moles by the molarity of the solution. N / C = mL Hope I have been somewhat helpful :)