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

Author Question: Which of the following polyatomic ions has the least atoms per formula unit? A) ammonium B) ... (Read 120 times)

lak

  • Hero Member
  • *****
  • Posts: 546
on: Aug 27, 2018
Which of the following polyatomic ions has the least atoms per formula unit?
 
  A) ammonium
  B) carbonate
  C) dihydrogen phosphate
  D) acetate

Question 2

The action of some commercial drain cleaners is based on the following reaction:
 
  2 NaOH(s) + 2 Al(s) + 6 H2O(l)  2 NaAl(OH)4(s) + 3 H2(g)
 
  What is the volume of H2 gas formed at STP when 6.32 g of Al reacts with excess NaOH?
  A) 3.50 L
  B) 5.25 L
  C) 7.87 L
  D) 8.59 L

Question 3

Which chemical symbol represents a metalloid?
 
  A) Al
  B) B
  C) Ga
  D) Zn
  E) Ar


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

Missbam101

  • Sr. Member
  • ****
  • Posts: 341
Reply #1 on: Aug 27, 2018
Answer to Question 1

B

Answer to Question 2

C

Answer to Question 3

B


lak

  • Member
  • Posts: 546
Reply 2 on: Aug 27, 2018
Great answer, keep it coming :)

bdobbins

  • Member
  • Posts: 326
Reply 3 on: Yesterday
:D TYSM

« previous next »
 

Did you know?

Amphetamine poisoning can cause intravascular coagulation, circulatory collapse, rhabdomyolysis, ischemic colitis, acute psychosis, hyperthermia, respiratory distress syndrome, and pericarditis.

Did you know?

A recent study has found that following a diet rich in berries may slow down the aging process of the brain. This diet apparently helps to keep dopamine levels much higher than are seen in normal individuals who do not eat berries as a regular part of their diet as they enter their later years.

Did you know?

It is important to read food labels and choose foods with low cholesterol and saturated trans fat. You should limit saturated fat to no higher than 6% of daily calories.

Did you know?

Certain topical medications such as clotrimazole and betamethasone are not approved for use in children younger than 12 years of age. They must be used very cautiously, as directed by a doctor, to treat any child. Children have a much greater response to topical steroid medications.

Did you know?

Illness; diuretics; laxative abuse; hot weather; exercise; sweating; caffeine; alcoholic beverages; starvation diets; inadequate carbohydrate consumption; and diets high in protein, salt, or fiber can cause people to become dehydrated.

The unit on top of this Subaru that looks like a radiator is the intercooler, which cools the air ... The unit on top of this Subaru that looks like a radiator is the intercooler, which cools the air ...
Prefilled Unit-Dose Systems Prefilled Unit-Dose Systems
What is an atoms? What is an atoms?
Which outcome corresponds to the combination of silver and carbonate ions shown in the ... Which outcome corresponds to the combination of silver and carbonate ions shown in the ...
Which outcome corresponds to the combination of copper(II) and sulfide ions shown in the ... Which outcome corresponds to the combination of copper(II) and sulfide ions shown in the ...
Video: Brain Anatomy Animation (Part 1 of 2)

For a complete list of videos, visit our video library