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

Author Question: Tetraboric acid, H2B4O7, is prepared by heating boric acid, H3BO3 (a condensation reaction involving ... (Read 48 times)

fnuegbu

  • Hero Member
  • *****
  • Posts: 539
on: Aug 27, 2018
Tetraboric acid, H2B4O7, is prepared by heating boric acid, H3BO3 (a condensation reaction involving water loss). If 400.0 mmol H3BO3 are used, what mass (g) of H2O is formed, assuming quantitative stoichiometric conversion?
 
  A) 5.77
  B) 0.500
  C) 0.320
  D) 7.21
  E) 9.01

Question 2

6.0 karat gold contains ________ gold.
 
  A) 6.0
  B) 25
  C) 50.
  D) 75
  E) 1.0  102


Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

blazinlyss

  • Sr. Member
  • ****
  • Posts: 333
Reply #1 on: Aug 27, 2018
Answer to Question 1

E

Answer to Question 2

B


fnuegbu

  • Hero Member
  • *****
  • Posts: 539
Reply #2 on: Aug 27, 2018
TY


blazinlyss

  • Sr. Member
  • ****
  • Posts: 333
Reply #3 on: Aug 27, 2018
You're welcome


« previous next »
 

Did you know?

More than 30% of American adults, and about 12% of children utilize health care approaches that were developed outside of conventional medicine.

Did you know?

Symptoms of kidney problems include a loss of appetite, back pain (which may be sudden and intense), chills, abdominal pain, fluid retention, nausea, the urge to urinate, vomiting, and fever.

Did you know?

On average, someone in the United States has a stroke about every 40 seconds. This is about 795,000 people per year.

Did you know?

In inpatient settings, adverse drug events account for an estimated one in three of all hospital adverse events. They affect approximately 2 million hospital stays every year, and prolong hospital stays by between one and five days.

Did you know?

Pregnant women usually experience a heightened sense of smell beginning late in the first trimester. Some experts call this the body's way of protecting a pregnant woman from foods that are unsafe for the fetus.

Largest nitric acid plants in the United States Largest nitric acid plants in the United States
Reaction 6: Generation of the First Energy-Rich Compound Reaction 6: Generation of the First Energy-Rich Compound
Avocados are a good source of pantothenic acid, dietary fiber, vitamin K Avocados are a good source of pantothenic acid, dietary fiber, vitamin K
Acid–Base Balance Acid–Base Balance
Acid–Base Balance Acid–Base Balance
In the reaction C(s) + O2(g) CO2(g) carbon is __________. In the reaction C(s) + O2(g) CO2(g) carbon is __________.
Video: Blood Flow through the Human Heart

For a complete list of videos, visit our video library