An experiment calls for 425 ml of 65% w/v solution of NaCl (Mw = 58.44). How many grams of NaCl are needed?

Which of the following compounds is the strongest acid?  

Identify the resonance structure(s) indicated by the curved arrow.

Which of the following best describes the orbitals involved in the formation of the C=O bond in acetone, shown below?

How are electrons distributed in the molecular orbitals when the 1s orbitals of two hydrogen atoms combine to form a hydrogen molecule?

Identify bond-line structures for constitutional isomers with a molecular formula of C4H10O.

For the following reaction, which reactant functions as an acid? 

Which of the following is the correct bond-line structure for CH3CHOH(CH2)2CH(CH2CH3)2?

The bonds indicated by the arrow in the following compound results from the overlap of which orbitals?

Which of the following is the correct bond-line structure for (CH3)2N(CH2)3CH(CH3)2?