Calculate the mass percent of a solution

Assignment Help Chemistry
Reference no: EM13162088

Calculate the mass percent of a solution that is prepared by adding 61.4 g of rm NaOH to 413 g of {rm H_2O}.

Reference no: EM13162088

Questions Cloud

State atoms generally appear in whole number molar ratios : A Why is it an important concept that atoms generally appear in whole number molar ratios to each other in chemical compounds? What does this tell us about the nature of matter?
Interpersonal relationships-pros and cons of cultures : Identify one of your important interpersonal relationships. consider how that relationship might be different if you and your partner adopted values and norms that were opposite from the ones you already hold. for example, you shifted to a high conte..
What will be the volume of the gas sample : A gas sample has an original volume of 800 ml when collected at 710 mm and 30°C. What will be the volume of the gas sample if the pressure increases to 780 mm and the temperature increases to 35°C?
What is the molar mass of a sample of gas : what is the molar mass of a sample of gas that has a dnesity of 1.09 g/L at 1.02 atm pressure and 25.0C.
Calculate the mass percent of a solution : Calculate the mass percent of a solution that is prepared by adding 61.4 g of rm NaOH to 413 g of {rm H_2O}.
What is the ph of a solution : what is the pH of a solution prepared by mixing 25 mL of 0.10 M methylamine with 25 mL of 0.10 M methylammonium chloride?assume that the volume of the solutions are additive and that Kb = 3.7 x 10^-4 for methylamine
State and identify any molecule that acts as an intermediate : Write the chemical equation for the overall reaction. (Part B) Identify any molecule that acts as a catalyst in this reaction. (Part C) Identify any molecule that acts as an intermediate in this reaction.
What is the enthalpy change for the neutralization reaction : What is the enthalpy change for the neutralization reaction of 1 mol of CsOH in kJ?
Interpersonal perceptions-self-esteem by changing his image : Joe, a geeky, shy, unconfident high school senior, wants to remake his image when he goes away to college. What strategies must he use to change the way others perceive him? Can they work? Why?

Reviews

Write a Review

Chemistry Questions & Answers

  Compute fusion for substance

Compute ΔHo fusion and ΔSo fusion for this substance If the pressure is increased to 120 bar, the melting temperature increases to 375.88 K..

  Calculate the specific heat capacity of the metal

If 69.5 kJ of heat is applied to a 1040. g block of metal, the temperature of the metal increases by 11.4°C. Calculate the specific heat capacity of the metal in J/g°C.

  How many moles of the excess reactant are left

Metallic magnesium reacts with steam to produce magnesium hydroxide and hydrogen gas. a. If 16.2 g Mg are heated with 12.0 g H2O, what is the limiting reactant?

  Compute the average absorbance and use this value

Calculate the average absorbance and use this value for an absorbance point on your graph. Use the printed graph from above, find the average Absorbance of the unknown on the y-axis

  Calculate the enthalpy of vaporization of ethanol

the enthalpy of vaporization of ethanol i 43.5 kj/mole at its normal boiling point of 352 k. using avalue of the molar heat capacity of liquid ethanol of 111.46 j/k/mol

  What is the final volume

A 89 L sample of dry air is cooled from 134°C to -18°C while the pressure is maintained at 2.85 atm. What is the final volume?

  Questions about organic chemistry reactions

Draw the structure of the major product(s) formed when 1-hexyne is subjected to ozonolysis, followed by hydrolysis.

  How many grams of n2h4 will be consumed

Consider the hydrazinenitrogen tetroxide rocket fuel reaction:  2N2H4 + N2O4 3N2 + 4H2O How many grams of N2H4 will be consumed by 46 g of N2O4?

  Compute the slope of the straight line

Calculate the slope of the straight line 2. What is the density of the substance 3. Briefly explain why it is more accurate to use the slope of the plot to determine the density than it is to use data from a single determination

  What volume would a flexible plastic bottle increase

The density of water decreases from 1.000g/mL at 3.98°C to 0.9170g/mL as ice at 0°C. By what volume (in mL) would a 2.632 liter flexible plastic bottle increase.

  Explain what is the molecular weight of the gas

The equilibrium pressure is measured as 0.8 atm. What is the molecular weight of the gas? 1. 138.5 g · mol?1 2. 12.5 g · mol?1 3. 3.6 g · mol?1 4. 45 g · mol?

  What is the value of the rate constant k

The decomposition of N2O5 in CCL4 is a first order reaction. If 2.56 mg of N2O5 is present initially and 2.50 mg is present after 4.26 minutes at 55 degrees Celsius what is the value of the rate constant K?

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