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

A strong electric charge is

Kara is in the hospital suffering from alcohol poisoning. Which of these activities is most likely to have led to her condition? A. Drinking one drink B.

Please identify what type of relationship the following description had with the Great Depression: "Expanded role of government in economic activities" Short-Te

can the number 12 be part of more than one fact family?Explain.

Ford motor company sells the fusion ses for $24,400. the fusion hybrid sells for $29,975. what is the percentage increase in price for the hybrid over the fusio

Why is sonar a more accurate way of mapping the ocean floor than weighted lines?

Which line, or band, represents the smallest dna fragment?

What is the common term for potential difference? A. charge B. voltage C. current D. resistance

How do you solve five an one six plus negative three an five six

What is groundwater erosion?