50 POINTS EASY QUESTION, ANSWER WITH WORK SHOWN 1. If you have 6.78*10^19 molecules of sodium chloride how many grams do you have?
2. How many molecules are in 234 grams of water?
(Use Avogradro's number to solve)
SHOW YOUR WORK

Use the table to identify the phase and phase changes of the elements under the given conditions. write the name of the substance, phase, or phase change. when the temperature in a room increases from 25°c to 33°c, changes from a solid to a liquid. in a lab, methane and nitrogen are cooled from -170°c to -200°c. the methane freezes and the nitrogen . when gold is heated to 2,856°c it changes from a liquid to a .

Determine the number o moles of ions/atoms/particle in the following: 2.50 miles of k2s (let me know how to do)

How would you reduce the volume of gas