Question

The exact mass of 1 mole of carbon-12 atoms is:
a) 12.00g of pure carbon-12
b)6.02x10^23g of carbon
c)6.02x10^23 carbon atoms
d)6.00 amus of pure carbon-12

Answer 1

ok so you are asked for mass of 1 mole of C12 now lets see how can we calculate that..
n= 1mol
M=12
n=m/M --> m=n*M= 1 mol * 12 gmol-1 = 12 g

Answer 2

A student takes a measured volume of 3.00 M HCl to prepare a 50.0 mL sample of 1.80 M HCl. What volume of 3.00 M HCl did the student use to make the sample?
A. 3.70 mL
B. 16.7 mL
C. 30.0 mL
D. 83.3 mL

Answer 3

A student takes a measured volume of 3.00 M HCl to prepare a 50.0 mL sample of 1.80 M HCl. What volume of 3.00 M HCl did the student use to make the sample?

Answer 4

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Answer 5

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Answer 6

need help question below>>

Answer 7

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4 - 5 ounce containers for $5.

Answer 8

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Answer 9

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4 - 5 ounce containers for $5.

Answer 10

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Answer 11

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Answer 12

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Answer 13

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Answer 14

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Answer 15

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Answer 16

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Answer 17

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Answer 18

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Answer 19

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Answer 20

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Answer 21

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