pmpnfnp2fs pmpnfnp2fs

15-02-2022
Chemistry

contestada

How many atoms are there in 90.2 g of selenium?

Respuesta :

cwells2010 cwells2010

15-02-2022

Answer:First calculate the moles of selenium by multiplying the mass x molar mass 90.2 × 78.96 = 7122.2 moles. Number of moles multiplied by ...

Explanation:

Answer Link

Otras preguntas

Saki bought shoes for $40.19 and x pairs of socks for $2.06 each . Which expression shows the total money spent?

WILL METAL AND REWARD WHATEVER. I just need some algebra help. a Produce stand recorded the number of items sold per day. the results are shown below. (imagine

The sermons of the Second Great Awakening appealed to many people because people _____. Select the best answer from the choices provided. A) appreciated more st

What happens to a comet's tail as it approaches the sun? A. points toward the sun B. points away from the sun C. gets longer D. gets shorter

When kam, a marketing manager, drafts an email to communicate to his sales team the targets for the upcoming months, he is engaged in _____?

If the integral tan^2(x) sec(x) dx from 0 to pi/4 = I, express the value of tan^4(x) sec(x) dx in terms of I.

What is the typical method for restricting packet lifetime on the internet?

A tent for a family of 6 is on sale for $109.99. Find the volume of space inside the tent for the family to sleep.

A man was driving his truck. his lights were not on. the moon was not out. up ahead, a woman was crossing the street. how did he see her

Compared to tangible resources, intangible resources are ____ and ____. more visible; less difficult to copy. less visible; less difficult to copy. less visible