[Answered] Tetraboric acid, H2B4O7, is prepared by heating boric acid, H3BO3 (a condensation reaction involving ...

This topic contains a solution. Click here to go to the answer

Author Question: Tetraboric acid, H2B4O7, is prepared by heating boric acid, H3BO3 (a condensation reaction involving ... (Read 155 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

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

blazinlyss

Sr. Member
Posts: 333

Reply #3 on: Aug 27, 2018

You're welcome

« previous next »

Did you know?

Vital signs (blood pressure, temperature, pulse rate, respiration rate) should be taken before any drug administration. Patients should be informed not to use tobacco or caffeine at least 30 minutes before their appointment.

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?

Barbituric acid, the base material of barbiturates, was first synthesized in 1863 by Adolph von Bayer. His company later went on to synthesize aspirin for the first time, and Bayer aspirin is still a popular brand today.

Did you know?

The first oral chemotherapy drug for colon cancer was approved by FDA in 2001.

Did you know?

Green tea is able to stop the scent of garlic or onion from causing bad breath.