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coldgirl [10]
3 years ago
10

2.1 liters is the same as: -cm3 and - mL

Chemistry
2 answers:
ziro4ka [17]3 years ago
8 0
To convert liters to mL, all you need to do is move the decimal three times to the right or multiply by 1000.

2.1 Liter = 2100 mL

then, to change to cm-3 is really easy because 1 ml is same as 1 cm-3

so, 2100 mL= 2100 cm-3
enot [183]3 years ago
4 0
2100 mL and 2100 cm3
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Calculate the mass of 25,000 molecules of nitrogen gas. (1 mole = 6.02 x 1023 molecules)
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Hey there!

Molar mass N2 = 28.01 g/mol

Therefore:

28.01 g N2 -------------- 6.02*10²² molecules N2

( mass N2 ?? ) ----------- 25,000 molecules N2

mass N2 =  ( 25,000 * 28.01 ) /  ( 6.02*10²³ )

mass N2 = 700250 / 6.02*10²³

mass N2 = 1.163*10⁻¹⁸ g


Hope that helps!

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B. Particles of matter have spaces between them.

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