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jeka57 [31]
2 years ago
10

WILL GIVE BRAINLIEST FOR THE RIGHT ANSWER!!

Mathematics
1 answer:
vredina [299]2 years ago
7 0

Answer:

19 gram

Step-by-step explanation:

Formula of mass left after ionising: \frac{M}{2^{n} }  where M is original mass and n is half lives.

Using the equation:

\frac{150}{2^{3} } → 18.75

Therefore, 18.75 g left after ionising.

∵ If rounded to nearest gram then 19 gram.

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