rebekah1234567890 rebekah1234567890

20-09-2016
Chemistry

contestada

How many atoms are in a sample of 175 grams of sodium (Na)? The answer needs to be
a x 10^b

Respuesta :

Willchemistry Willchemistry

27-09-2016

Atomic mass Sodium ( Na ) = 22.98 u.m.a

22.98 g ----------------- 6.02x10²³ atoms
175 g ------------------- ?? atoms

175 x ( 6.02x10²³) / 22.98 =

4.58x10²⁴ atoms of Na

hope this helps!

Answer Link

Otras preguntas

which complimentary did henri matisse use in the red room

Help plz I’m really dumb :D

Which of the diagrams shows red blood cells in 0.0 M Solution

PLEASE HELP ASAP 25 PTS + BRAINLIEST TO RIGHT/BEST ANSWER

The following chemical equation shows the incomplete formula for burning methanol. The question mark represents the unknown number of oxygen (O2) molecules. How

PLEASE HURRY IT'S URGENT!!!!!! Which word in the sentence does the participial phrase modify? Listening for the doorbell, she lowered the volume on the televisi

This organization's main goal is foucused on improving the health of children.American Red Cross U.S. Department of Health Nemours FoundationUniversal Health Ca

according to this passage, what was roosevelt’s real reason for breaking up standard oil

What did Levi Strauss and Luzena Stanley Wilson have in common? A. Both were methodist ministers who moved to the Oregon country to try to convert Native Americ

A supporting sentence___. A) Transition ideas from one paragraph to the next B) Develops, supports, or explains the main idea of a paragraph C) Concludes a pa