Explain what is the empirical formula for ephedrine

Assignment Help Chemistry
Reference no: EM13267686

Ephedrine was once used in diet pills that could be purchased without a prescription. Ephedrine is composed of 72.7% C, 9.15% H, 8.49% N, and 9.68% O. What is the empirical formula for ephedrine

Reference no: EM13267686

Questions Cloud

Explain what is the charge of the electron in zorgs : Based on the results below, what is the charge of the electron in zorgs ()? Drop # Charge A ?5.1×10?9 B ?1.0×10?8 C ?6.8×10?9 D ?1.36×10?8
How much heat is exchanged with the environment : 200 g of lead (c=128 j/kg*K) at 100 degree (=100 C) are placed in a container filled with 200g of water (c=4190 j/kg*K) at 20 degree (= 20 C). How much Heat is exchanged with the environment
State the empirical formula of the compound : A certain carbon-hydrogen compound contains 84.1% C by mass and the remainder is hydrogen. What is the empirical formula of the compound
School receive majority of funding from federal government : school receive a majority of their funding from the federal government. the fedral government sets many of the rules and lows that impact local schools. school administrator in not required to report inappropriate conduct of an educational profession..
Explain what is the empirical formula for ephedrine : Ephedrine was once used in diet pills that could be purchased without a prescription. Ephedrine is composed of 72.7% C, 9.15% H, 8.49% N, and 9.68% O. What is the empirical formula for ephedrine
What is the probability of rolling at least two 6seconds : what is the probability of rolling at least one 6 in rolling six fair dice at one time. what is the probability of rolling at least two 6s in rolling 12 fair dice at one time.
How much will she have to invest annually to reach target : She will need $12,000 at the end of four years. She can invest a certain amount at the beginning of each of the next four years in a bank account that will pay her 6.8 percent annually. How much will she have to invest annually to reach her target..
Evaluated and learned about leaders throughout course : Evaluated and learned about leaders throughout this course. Where do you see your greatest ability to provide leadership?
Explain how many glucose molecules does a fat cell : How many glucose molecules does a fat cell, which has a diameter of 2.47 micrometers, contain when its internal glucose concentration is 1.47 mM

Reviews

Write a Review

Chemistry Questions & Answers

  Determine the theoretical titration curve for the titration

Calculate the theoretical titration curve for the titration of 50.00 mL of 0.1000 M Na2CO3 with a 0.2000 M solution of HCl. Propose the indicators.

  Explain how many grams of ag2co3 will precipitate

How many grams of Ag2CO3 will precipitate when excess (NH4)2CO3 solution is added to 77.0 mL of 0.532 M AgNO3 solution?

  State a collapsed balloon is filled with he to a volume

A collapsed balloon is filled with He to a volume of 11.2L at a pressure of 1.00 atm. Oxygen (O2) is then assed so that the final volume of the ballon is 21

  Which one of the following is a buffer solution

Which one of the following is a buffer solution?

  What is the percent yield

Consider the following reaction. N2 + 3H2 -> 2NH3 . 28.0 grams of N2 and 5.04 grams of H2 are reacted, producing 17.8 grams of NH3. What is the percent yield?

  Compute the change in entropy

calculate the change in entropy (?S), the change in internal energy (?U), and the change in enthalpy (?H) for a reversible adiabatic expansion of this gas to a final pressure of 1.10 atm. Also calculate the final temperature (T) and volume (V).

  Evaluate the pka and pkb

The Ka for a weak acid, HA is 1.6 x 10^6. What are the pH and degree of ionization of the acid in a 10^-3 M solution. Calculate the pKa and pKb.

  What is the mass of the second isotope

The atomic weight of a newly discovered el- ement is 98.225 amu. It has two naturally occuring isotopes. One isotope has a mass of 96.780 amu. The second isotope has a per- cent abundance of 41.7%. What is the mass of the second isotope?

  How many ml of a solution of aluminum bromide must take

How many mL of a 0.136 M aqueous solution of aluminum bromide, AlBr3, must be taken to obtain 17.3 grams of the salt?

  How many grans of nano3 remain

A solution containing 50.0 g NaNO3 in 75.0 g of H20 at 50°C is cooled to 20°. How many grans of NaNO3 remain at 20°.

  State what is volume in cubic micrometers

What is its volume is 2.58 cubic micrometers. a)What is its volume in cubic millimeters (mm^3)?

  Analyze the structures of the compounds

Examine the structures of the following compounds. What functional groups can you identify within the compounds? (They may have more than one.) What structural features do many of these compounds have in common?

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd