This topic contains a solution. Click here to go to the answer
« previous next »

Author Question: A solution contains 33 phosphoric acid by mass. This means that ________. A) 100 g of this ... (Read 68 times)

Yolanda

  • Hero Member
  • *****
  • Posts: 757
on: Aug 27, 2018
A solution contains 33 phosphoric acid by mass. This means that ________.
 
  A) 100 g of this solution contains 33 g of phosphoric acid
  B) 1 mL of this solution contains 33 g of phosphoric acid
  C) 1 L of this solution has a mass of 33 g
  D) 1 L of this solution contains 33 mL of phosphoric acid
  E) the density of this solution is 3.3 g/mL

Question 2

One reaction that contributes to photochemical smog is shown below. Which of the species involved contains one or more unpaired electrons? NO2(g) + h NO(g) + O(g)
 
  A) only NO2(g)
  B) only NO2(g) and NO(g)
  C) only O(g)
  D) All of the above contain unpaired electrons.

Question 3

The nuclear disintegration series of ________ is the source of radon-222 in soil.
 
  A) 235U
  B) 238U
  C) 236Pb
  D) 235Th
  E) 14C


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

covalentbond

  • Sr. Member
  • ****
  • Posts: 336
Reply #1 on: Aug 27, 2018
Answer to Question 1

A

Answer to Question 2

D

Answer to Question 3

B


Yolanda

  • Member
  • Posts: 757
Reply 2 on: Aug 27, 2018
Wow, this really help

softEldritch

  • Member
  • Posts: 334
Reply 3 on: Yesterday
Great answer, keep it coming :)

« previous next »
 

Did you know?

Recent studies have shown that the number of medication errors increases in relation to the number of orders that are verified per pharmacist, per work shift.

Did you know?

In the ancient and medieval periods, dysentery killed about ? of all babies before they reach 12 months of age. The disease was transferred through contaminated drinking water, because there was no way to adequately dispose of sewage, which contaminated the water.

Did you know?

Immunoglobulin injections may give short-term protection against, or reduce severity of certain diseases. They help people who have an inherited problem making their own antibodies, or those who are having certain types of cancer treatments.

Did you know?

Pope Sylvester II tried to introduce Arabic numbers into Europe between the years 999 and 1003, but their use did not catch on for a few more centuries, and Roman numerals continued to be the primary number system.

Did you know?

Many people have small pouches in their colons that bulge outward through weak spots. Each pouch is called a diverticulum. About 10% of Americans older than age 40 years have diverticulosis, which, when the pouches become infected or inflamed, is called diverticulitis. The main cause of diverticular disease is a low-fiber diet.

Water wheel is the most promising solution to ocean plastic Water wheel is the most promising solution to ocean plastic
Pathways in biosynthesis of eicosanoids from arachidonic acid Pathways in biosynthesis of eicosanoids from arachidonic acid
Acid Acid
Three active forms of vitamin A: all-trans-retinol, -retinal, and –retinoic acid Three active forms of vitamin A: all-trans-retinol, -retinal, and –retinoic acid
Mass Wasting Forms Mass Wasting Forms
A wave whose wavelength is 0.500 m is traveling down a 500-m long wire whose total mass is 25 ... A wave whose wavelength is 0.500 m is traveling down a 500-m long wire whose total mass is 25 ...
Video: Acids and bases - definition

For a complete list of videos, visit our video library