Which of the following is the last step in performing a titration? a. finding out which ph indicator works b. determining the concentration of an unknown base c. finding the number of moles of product produced in a reaction d. determining the molecular masses of the products in the reaction

Light travels through space at 186,282 miles per second and it takes about 1.3 seconds for light to travel from the moon to earth. which of the following is the correct method of finding the distance, in miles, between the moon and earth? add 186,282 and 1.3 divide 186,282 by 1.3 multiply 186,282 by 1.3 subtract 1.3 from 186,282