arevalok arevalok

07-10-2016
Chemistry

contestada

Calculate the number of atoms in a 5.87 × 103 g sample of sodium.

Respuesta :

Willchemistry Willchemistry

07-10-2016

Atomic mass Na = 22.98 a.m.u

22.99 g -------------- 6.02x10²³ atoms
5.87x10³ g ---------- ?? atoms

( 5.87x10³ ) x 6.02x10²³ / 22.98 =

1.537.10²⁶ atoms of Na

Answer Link

Otras preguntas

Draw and label the structure of a sodium atom showing the distribution of electrons

Find the number of feet: 54ft---3yd. + 24in.= ----- ft

what is the potential Energy ?

Which reason can Sanjay use to most effectively refute the counterclaim? Sanjay is writing a rebuttal to this counterclaim. Teachers should not assign a heavy h

what is the classified matter of gold

3(2-0.9h)+(-1.3h-4) does anyone know the answer

Edmund measures temperatures along a hike up into the mountains. He records the elevation and the air temperature. He notices that there is a negative correlati

Identify the Conquistador correctly matched with the culture he conquered. A) Desoto: Aztecs B) Magellan: Mayas C) Montezuma: Anasazi D) Pizarro: Incas

25⋅5⋅5⋅4 A.500 B.2000 C.2500 D.5000

A group of mutations, known as MT-ND1, have been identified in mitochondrial DNA. These mutations are associated with a number of debilitating diseases stemmin