How can you determine if a reaction is an acid base reaction?

What is the number of moles of chemical units represented by 9.03x10^24? and how do i show work? (dumb it down )

Select the correct answer a modure consists of glucose and water. what is the percent composition of glucose in the mixture if it contains 1.3 moles of glucose (cho total mass of the mature is 276 grams? ) and the a 1775

How many moles is 14.5 cm^3 of platinum? the density of platinum is 21.45 g/cm^3.