saltenhofen91 saltenhofen91

04-05-2017
Chemistry

contestada

how many moles of Cu in 7.81 * 10^21 atoms of Cu

Respuesta :

JavierCollante JavierCollante

04-05-2017

Use avogadro's number---> 6.02 x 10^23 atoms= 1 mol

7.81 x 10^21 (1 mole/ 6.02 x 10^23)= 0.0130 moles of Cu

Answer Link

Otras preguntas

President Bill Clinton was forced to accept a major revision of federal government policy in __________ in 1996 due to the fact that Republicans had gained cont

How do the monarchies of today differ from those that existed centuries ago?

Which of the following is a nonrenewable resource? a. hydropower b. biomass c. geothermal power d. coal

What phrase does Winston repeatedly write in his diary while unaware that he is writing it? Down with Big Brother Long live the Brotherhood! The proles are the

Tim can mow 4 lawns in 6 hours. How many lawn(s) can he mow in 1 hour?

derivative of this function Y= -7X³ -8X² +6X +3

What would my GPA be? Here are my grades. 76.43% 73.00% 86.89% 60.21% 98.99% 79.83% 100.00%

Mr. Sanchez has 16 feet of fencing to put around a rectangular garden. He wants the garden to have the greatest possible area. How long should the sides of th

Graph the function with the given domain then identify the range of the function Y=3x-2 domain (greater than or equal to sign) 0

Major achievements in mathematics and science were made during the gupta dynasty among them was the ?