Wikipedia
Search Wikipedia:

Latest topics
» Making air, pollution free
Today at 1:27 am by bejoy

» Industry 4.0 to push for advanced manufacturing – Analysis
Yesterday at 12:18 am by bejoy

» New boron nitride foam soaks up carbon dioxide
Mon Aug 21, 2017 2:07 am by bejoy

» Plutonium & Its Important Facts
Mon Aug 21, 2017 2:05 am by bejoy

» The Best Kept Secrets About Krypton
Sat Aug 19, 2017 1:50 am by bejoy

» Researchers develop new tough, self-healing rubber
Fri Aug 18, 2017 2:26 am by bejoy

» The Ultimate Guide Copper Sulphate
Fri Aug 18, 2017 2:24 am by bejoy

» An Introduction Tin Element(Sn)
Thu Aug 17, 2017 4:28 am by bejoy

» Rarely Known Facts Stainless Steel
Wed Aug 16, 2017 4:50 am by bejoy

August 2017
MonTueWedThuFriSatSun
 123456
78910111213
14151617181920
21222324252627
28293031   

Calendar Calendar

Free Hit Counter

single choice

View previous topic View next topic Go down

single choice

Post  JasonGHerbalExt on Tue Jan 13, 2015 10:11 pm

Vanillin, C8H8O3 (M = 152 g/mol), is the molecule
responsible for the vanilla flavor in food. How many
oxygen atoms are present in a 45.0 mg sample of
vanillin?
(A) 1.78 × 10^20 (B) 5.35 × 10^20
(C) 1.78 × 10^23 (D) 5.35 × 10^23

JasonGHerbalExt

Posts : 22
Join date : 2013-09-05
Age : 29
Location : Irvine

View user profile http://www.lifome.com

Back to top Go down

View previous topic View next topic Back to top

- Similar topics

 
Permissions in this forum:
You cannot reply to topics in this forum