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

Despite the efforts of humanitarian aid organizations, some refugees end up as slaves or prostitutes. true or false

Which two concepts explain how the body moves?

Why are symbols so difficult to decode?

What mountains did westbound Silk Road travelers have to cross before reaching Marakanda?

Which of the following is typically associated with a large amount of organic material in a water supply? Lower turbidity Higher phosphates Fecal coliform High

All living things need energy; it is a requirement for life. In a typical cell, ATP, the high energy molecule, is produced in the __________ in the presence of

What do you make when you hit a rock with a hammer

How does federalism guard against tyranny

Why did the colonists resist the new taxes imposed on them?

How can understanding change of state help you to seprate a salt water solution