heshamkhammash13 heshamkhammash13

02-10-2018
Chemistry

contestada

A sample contains 1.29×1022 atoms of Cs. Calculate the amount of Cs.

Respuesta :

02-10-2018

There are 0.0214 mol Cs in 1.29×10²² atoms Cs.

Use Avogadro’s number to convert atoms of Cs to moles of Cs.

Moles of Cs = 1.29×10²² atoms Cs × (1 mol Cs /6.022 × 10²³ atoms Cs) = 0.0214 mol Cs

Answer Link

Otras preguntas

Which unit of geologic time is the oldest? Cenozoic Mesozoic Ordovician Precambrian

The barometer of a mountain hiker reads 750 mbars at the beginning of a hiking trip and 650 mbars at the end. Neglecting the effect of altitude on local gravita

pls help me. sir15. What is the radius of the largest sphere that can beplaced inside a cube of volume 64?(A) 6√2(B) 8(C) 4(D) 2√2(E) 2

What were the steps the people of Florence took to stop the spread of plague in the city? Select all that apply. People prayed to God. The city refused entrance

What's 1 7/10 as an improper fraction?

What is the story of this photograph? What is happening? Where is the photograph taken? Why is the photograph taken? What emotion does this photograph make

If moody uses a markup percentage of 120% of its total manufacturing cost, then what selling price per unit would it have established for job 400?

What effect did Shays' Rebellion have towards central government? It proved that a strong state government was needed. It proved that a strong central governmen

Write an 11 digit number that uses every digit once, and the value of the digit in the millions place is 10 times the value in the hundred thousands place

When the leaders of a country are insulated from the problems they are elected to solve, solving those problems is quite difficult. The children of many nationa