What is the total number of molecules of hydrogen in 0.25 mole of hydrogen? 1
6.0 10^23
2.
4.5 * 10^23
3
3.0 x 10^23
4
1.5 * 10^23

Joan writes four numbers on the board in standard form, and then she writes their scientific notation

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Draw any one of the skeletal structures of a 2° alkyl bromide having the molecular formula of c6h13br and two stereogenic centers. indicate chirality by using wedge and hashed wedge notation. lone pairs do not need to be shown.