I. Briefly describe how a potentiometric pHmeter works. (Hint: Describe how the pH meter
measures the amount of H+ or OH- ions in a sample

One does not belong why? ice, gold ,wood ,diamond and table salt

An alloy contains 66 g of pure zinc. what is the percentage of zinc in the alloy? express your answer to two significant figures and include the appropriate units.

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.