CHEMISTRY Chapter 4 SOME PLENTY MORE PROBLEMS Dimensional analysis Work the following problems using dimensional analysis everywhere possible. 1)You are asked in a lab to measure out .240 moles of lead. How many grams of lead would you measure? (3pts) 2)Light travels at a speed of 2.9979 x 108 m/s. What is this in miles per hour?3pts. 3)A certain type of electromagnetic radiation has a wave length or 456 nm. How many Angstoms is this?(3pts)
CHEMISTRY Chapter 4 SOME PLENTY MORE PROBLEMS Dimensional analysis Work the following problems using dimesional analysis everywhere possible. 1)You are asked in a lab to measure out .240 moles of lead. How many grams of lead would you measure? (3pts) 2)Light travels at a speed of 2.9979 x 108 m/s. What is this in miles per hour?3pts. 3)A certain type of electromagnetic radiation has a wave length or 456 nm. How many Ångstøms is this?(3pts)