How would you determine the proper number of significant figures of a liquid using a graduated cylinder?

The reaction q+r2=r2q is found to be first order in r2 and

In this chemical reaction, 325 grams of barium (ba) react completely. how many moles of lithium (li) are produced?

Main expenses you plan on making payments on a new car too. you want to spend 15% of your monthly net pay on the car payment, insurance, registration, and taxes combined. what is your monthly car allowance? $149.46 $298.91 $448.37 $597.83