simrandeepnagra simrandeepnagra

05-04-2020
Chemistry

contestada

a chemist weighed out 20.7 g of sodium . Calculate the number of moles of sodium she weighed out

Respuesta :

elliottou elliottou

05-04-2020

Answer:

about 0.9 mol

Explanation:

there are 22.990 g/mol of Na

20.7/22.99 = 0.900391 mol

about 0.9 mol

Answer Link

Otras preguntas

How does "the cold gleam of the fanatic" in the sniper's face indirectly characterize him? Question options: "The cold gleam of the fanatic" indirectly char

The end of the conflict between the North and the South didn’t just mark the end of a war; it marked the end of an entire way of life.” Which statement best des

And electron in the second energy level has more mass or Energy than an electron in the first energy level

Recent research suggests that a problem with alcoholics anonymous is:

Lucas found some old things in the attic. Say to whom they belong by rewriting the phrases. Use the correct possessive adjective for each. unos libros de noso

WILL MARK BRAINIEST, PLEASE HELP ME!

In what way did feudalism in Japan and medieval Europe differ? Apex World History Sem 1 Unit 4

What are the two things that all organized groups have in common to govern themselves? A. laws B. leaders C.currency D. religion

Identify the type of figurative language used by John F. Kennedy in his famous moon speech. "The greater our knowledge increases, the greater our ignorance unfo

How much heat is produced by the complete reaction of 3.70 kg of nitromethane?