[Answered] There are ________ hydrogen atoms in 25 molecules of C4H4S2. A) 25 B) 3.8 1024 C) 6.0 1025 ...

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Author Question: There are ________ hydrogen atoms in 25 molecules of C4H4S2. A) 25 B) 3.8 1024 C) 6.0 1025 ... (Read 171 times)

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Hero Member
Posts: 544

on: Aug 27, 2018

There are ________ hydrogen atoms in 25 molecules of C4H4S2.

A) 25
B) 3.8 1024
C) 6.0 1025
D) 100
E) 1.5 1025

Question 2

The LD50 value is the amount of a substance that will kill 50 of test animals.

Indicate whether the statement is true or false

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xiaomengxian

Sr. Member
Posts: 311

Reply #1 on: Aug 27, 2018

Answer to Question 1

D

Answer to Question 2

TRUE

bb

Member
Posts: 544

Reply 2 on: Aug 27, 2018

Great answer, keep it coming

mohan

Member
Posts: 362

Reply 3 on: Yesterday

Thanks for the timely response, appreciate it

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Author Question: There are ________ hydrogen atoms in 25 molecules of C4H4S2. A) 25 B) 3.8 1024 C) 6.0 1025 ... (Read 171 times)

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There are ________ hydrogen atoms in 25 molecules of C4H4S2. A) 25 B) 3.8 1024 C) 6.0 1025 ...

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xiaomengxian

There are ________ hydrogen atoms in 25 molecules of C4H4S2. A) 25 B) 3.8 1024 C) 6.0 1025 ...

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mohan