« previous next »

Author Question: A stock solution of HNO3 is prepared and found to contain 13.5 M of HNO3. If 25.0 mL of the stock ... (Read 771 times)

asan beg

  • Hero Member
  • *****
  • Posts: 570
on: Aug 27, 2018
A stock solution of HNO3 is prepared and found to contain 13.5 M of HNO3. If 25.0 mL of the stock solution is diluted to a final volume of 0.500 L, the concentration of the diluted solution is ________ M.
 
  A) 0.270
  B) 1.48
  C) 0.675
  D) 675
  E) 270

Question 2

The maximum number of electrons in any orbital is ________.
 
  A) 1
  B) 2
  C) 3
  D) 4
  E) 5


yasmina

  • Sr. Member
  • ****
  • Posts: 323
Reply #1 on: Aug 27, 2018
Answer to Question 1

C

Answer to Question 2

B


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
« previous next »
 

Did you know?

Historic treatments for rheumatoid arthritis have included gold salts, acupuncture, a diet consisting of apples or rhubarb, nutmeg, nettles, bee venom, bracelets made of copper, prayer, rest, tooth extractions, fasting, honey, vitamins, insulin, snow collected on Christmas, magnets, and electric convulsion therapy.

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.

Did you know?

Hip fractures are the most serious consequences of osteoporosis. The incidence of hip fractures increases with each decade among patients in their 60s to patients in their 90s for both women and men of all populations. Men and women older than 80 years of age show the highest incidence of hip fractures.

Did you know?

More than 50% of American adults have oral herpes, which is commonly known as "cold sores" or "fever blisters." The herpes virus can be active on the skin surface without showing any signs or causing any symptoms.

Did you know?

Children with strabismus (crossed eyes) can be treated. They are not able to outgrow this condition on their own, but with help, it can be more easily corrected at a younger age. It is important for infants to have eye examinations as early as possible in their development and then another at age 2 years.

Photosynthetic thylakoid membranes and numerous gas vesicles found in a cell of the cyanobacterial g Photosynthetic thylakoid membranes and numerous gas vesicles found in a cell of the cyanobacterial g
The cotton-top tamarin (Saguinus oedipus), also known as the Pinche tamarin, is a small New W The cotton-top tamarin (Saguinus oedipus), also known as the Pinche tamarin, is a small New W
The features found in a long bone. The features found in a long bone.
Harmonic Series Solution Harmonic Series Solution
Calculate the molar solubility of CaF2 in a solution containing 0.250 M Ca(NO3)2. Calculate the molar solubility of CaF2 in a solution containing 0.250 M Ca(NO3)2.
A solution is 2.25% by weight NaHCO3. How many grams of NaHCO3 are in 250.0 g of solution? A solution is 2.25% by weight NaHCO3. How many grams of NaHCO3 are in 250.0 g of solution?
Video: Role of the respiratory system - effect of altered ventilation rates

For a complete list of videos, visit our video library