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1 cubic meter of air at 30 degrees C can hold 30 grams of water As air cools it holds progressively less, thus as 20 degrees C it is just under 20 grams per M3, and at 10 degrees c it's closer to 8 grams. http://www.bom.gov.au/lam/humiditycalc.shtml

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15y ago
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11y ago

It depends on the humidity - but as you're asking how much (i.e. the maximum) lets assume a humidity of 100%:

If you ask Wolfram alpha: amount of water in air at 20 celcius and 100% humidity

It says 14.74 grams/ cubic metre

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14y ago

This question cannot be answered sensibly. A cubic metre is a measure of volume. 20 degrees Celsius is a relative temperature, not even an absolute measure. Basic dimensional analysis teaches that you cannot convert between measures with different dimensions such as these without additional information.

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Q: How much water can 1 cubic meter of air hold at 20 degrees C?
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