longshlong52184 longshlong52184

08-12-2018
Chemistry

contestada

If a sample of nitrogen gas (N2) contains 3.0 x 104 atoms of nitrogen, then about how many moles of nitrogen gas are in the sample?

Respuesta :

Altherra Altherra

09-12-2018

I guess you mean 3x 10^4 atoms of nitrogen

number of moles = number of particles / Avogadro's constant

= 3.0x10^4 / 6.02x10^23 =4.98 x 10^-20 mol

Answer Link

Otras preguntas

5. An irregular pentagon is rotated 180° about the origin. Choose True or False for each statement. A The new pentagon is the same size as the original pentagon

Olivia’s age plus twice John’s age is 30. Three times Olivia’s age plus 8 times John’s age is 108. How old are Olivia and John?

Write and solve an equation to find the value of x and a missing angle in each triangle below. Use the number bank to help you check your solutions as you fill

The teacher spoke in an ________ voice to the kids. a)angry b)angrily

A basketball team has home games on Thursday and Saturday. The two games together earn $4807.50 for the team. Thursday's game generates $152.50 less than Saturd

Matter cannot be created or __________. options: seen destroyed moved

Identify the gerund phrase: "Learning a new language is taking longer than I expected."

Secondary endosymbiosis led to chloroplasts surrounded by two membranes. a. True b. False

6TH GRADE! HELP! My son was out with C0VID and has a literal mountain of make-up work. I am trying to help him the best I can, but apparently, I don't remember

what is difference between God and ancestors?