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valina [46]
3 years ago
8

Why do you think scientists claim to offer only supporting evidence for a theory and not proof?

Chemistry
1 answer:
larisa [96]3 years ago
8 0
Because they're not confident enough to confirm it's indeed true but they will support it for they believe it's correct.
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A gallon of water has a mass of 3.79 kg. how many moles of water (18.02 g/mol) is this?
garik1379 [7]
First, we will convert the mass of the gallon to grams:
a gallon of water has a mass of 3.79 * 1000 = 3790 grams of water

number of moles can be calculated using the following rule:
number of moles = mass / molar mass
Therefore,
number of moles = 3790 / 18.02 = 210.32 moles
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