2 years ago

HELPPPPPPPPPP ME PLLSS LINK BELOW!!!

Chemistry

2 answers:

lidiya [134]2 years ago

6 0

Answer:

B hotplate beakers thermometers

Explanation:

____ [38]2 years ago

3 0

Answer:yea im going to go with A

Explanation:

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According to the analysis, Molarity is amount mole per volume(1L). the amount in mole would be molarity × volume in litres.

0.500M × (250/1000)L= 0.125moles.

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If the half-life of a sample of a radioactive substance is 30 seconds, how much would be left after 60 seconds? A. one-fourth B.

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m=m_{0}*(\frac{1}{2})^{2}\\\\
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