Saltpeter is a compound made of potassium (

Assignment Help Chemistry
Reference no: EM13849175

Saltpeter is a compound made of potassium (K), nitrogen (N), and oxygen (O). Every 100.00 g of saltpeter contains 38.67 g potassium and 13.86 g nitrogen. What is the mass of oxygen contained in 316.0mg of saltpeter?

 

 

Reference no: EM13849175

Questions Cloud

Why is method misleading to the stakeholders : Shifting Future Expenses to the Current Period as a Special Charge A company might choose to accelerate discretionary expenses, such as repairs and maintenance, into the current period if the current year’s revenue is relatively high in relation to e..
The isothermal compressibility of diamond : The isothermal compressibility of diamond is 0.187 x 10-6 atm-1. (a) Express this value in Pa-1. (b) A cube of diamond 10 cm on each side at 25 °C is to be inserted in the keel of an underwater exploration TV camera, and its designers needed to know ..
Evaluate and explain the value of a job description : For your current job or a previous job, evaluate and explain the value of a job description from the perspectives listed below. An employee performing a selected job
What was the firm''s net profit after tax : Firm XYZ has operating profits of $90,000, taxes of $15,000, interest expense of $30,000, and preferred stock dividends of $5,000. What was the firm's net profit after tax?
Saltpeter is a compound made of potassium ( : Saltpeter is a compound made of potassium (K), nitrogen (N), and oxygen (O). Every 100.00 g of saltpeter contains 38.67 g potassium and 13.86 g nitrogen. What is the mass of oxygen contained in 316.0mg of saltpeter?
How much new long-term debt financing will be needed : At year-end 2015, Wallace Landscaping’s total assets were $1.9 million and its accounts payable were $390,000. Sales, which in 2015 were $2.1 million, are expected to increase by 20% in 2016. How much new long-term debt financing will be needed in 20..
Hydrogen gas and nitrogen gas react to form ammonia : When hydrogen gas and nitrogen gas react to form ammonia, the enthalpy change is recorded as 45.92 kJ per mole of ammonia formed. How many moles of hydrogen gas and nitrogen gas are needed in order to produce 15.31kJ of energy
Has the inflation rate in the increased or decreased : Has the inflation rate in the US increased or decreased in the past 5 years? Why? Have interest rates increased or decreased over that same period? Why? What can we likely expect of both in the near future?
Find the percent by mass of oxygen : Find the percent by mass of oxygen in heptanoic acid, C6H13CO2H.

Reviews

Write a Review

Chemistry Questions & Answers

  The absorbance of monensin and a uv-absorbing compound

The absorbance of monensin, a UV-absorbing compound, is used to measure its concentration in a pharmaceutical preparation. Calculate concentration, and the uncertainty in concentration.

  Calculate the value of delta s

Calculate the value of delta S when 1.85 mol CH3OH (l) of is vaporized at 64.7 C. The normal boiling point of methanol is 64.7 C.

  Calculate the root mean square speed and its average

calculate the root mean square speed and its average kinetic energy per molecule of nitrogen and water vapor.a

  Explain the rate of ar under the same conditions

An unknown gas effuses through a porous barrier at a rate that is 0.752 times the rate of Ar (g) under the same conditions

  Explain the ph of the solution after the addition of hno3

A 100.0 mL sample of 0.10 M NH3 is titrated with 0.10 M HNO3. Determine the pH of the solution after the addition of 50.0 mL of HNO3. The Kb of NH3 is 1.8 × 10-5.

  Explain effective absorber of carbon dioxide

Lithium oxide is an effective absorber of carbon dioxide and can be used to purify air in confined areas such as space vehicles.

  Compute the percent of air that is displaced liquid nitrogen

calculate the percent (by volume) of air that is displaced if all of the liquid nitrogen evaporates.(liquid nitrogen has a density of 0.807 g/mL)

  Explain how many photons of blue

Define the human eye is a complex detector for visible light. The optic nerve requires a minimum of 2.0 x 10-17 J of energy to trigger a series of impulses that ultimately reach the brain. Explain how many photons of blue light 9 475 nm) are neede..

  Explain what is the value for kc

A mixture of 0.074 mole H2 and 0.151 mol CH4 is at equilibrium with solid carbon in a 1 liter container. If the equation for the equilibrium is CH4(g) ?C(s) + 2H2(g). (a) Explain what is the value for Kc

  Explain what is the molar mass of the acid

A 0.542 g sample of an unknown monoprotic weak acid requires 28.67 mL of 0.1093 M NaOH for neutralization. What is the molar mass of the acid

  Define the oxidation states of carbon

Explain the oxidation states of carbon, particularly relating to alcohols, aldehydes and ketones, acids, and anhydrides.

  Define the wastewater solution from a factory

The wastewater solution from a factory containing high levels of salts needs to be diluted before it can be released into the environment. Therefore, two containers of waste solution are separated by a semipermeable membrane and pressure is applie..

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