User Account

All Pages

Explain how many grams of naoh must be dissolved

Assignment Help Chemistry
Reference no: EM13561850

How many grams of NaOH must be dissolved in 250. mL of solution to produce a 2.00 molar solution of the base? A) 0.500 B) 80.0 g C) 20.0 g

D) 500 g
E) 40.0 g

Can you please show how you got the answer step by step. I was told the correct answer is C. but I don't know how.

Reference no: EM13561850

Questions Cloud

Explain how many grams of co2 could be produced : A reaction vessel contains 10.3 g of CO and 10.3 g of O2. how many grams of CO2 could be produced according to the following reaction
What is the acceleration of the heavier object : An unspecified force causes a 0.5-kg object to accelerate at 0.2 m/s2. If 0.3 kg is added to the 0.5-kg object and the force remains the same, what is the acceleration (in m/s2) of the heavier object?
An object is accelerated by a force : An object is accelerated by a force. If the acceleration increases by a factor 2 and the mass increases by a factor 3, by what factor was the force increased? The answer must be exact.
Explain copper sulfate forms a pentahydrate : Copper sulfate (CuSO4) forms a pentahydrate. Calculate the mass of this compound that contains exactly one mole of copper ions
Explain how many grams of naoh must be dissolved : How many grams of NaOH must be dissolved in 250. mL of solution to produce a 2.00 molar solution of the base, A) 0.500 B) 80.0 g C) 20.0 g
What fraction of the input power is lost : A transmission line that has a resistance per unit length of4.5*10^-4 ohms/meter is to be used to transmit 5.00MW over 400miles (6.44 *10^5m). WHat fraction of the input power is lost to the line underthese circumstances
Explain citric acid and sodium hydroxide : Write out a detailed procedure for determining the enthalpy of reaction between citric acid (H3Cit) and sodium hydroxide (NaOH). Note that the neutralization reaction is
Evaluate how far is his face from the hubcap : A dedicated sports car enthusiast polishes the inside and outside surfaces of a hubcap that is a section of a sphere. How far is his face from the hubcap
Evaluate the number of grams of aluminum required : Chromium metal can be produced from the high temperature reaction of Cr2O3 with aluminum by the following equation: Cr2O3 + 2Al ----> 2Cr + Al2O3. Calculate the number of grams of aluminum required to prepare 159g of chromium metal

Reviews

Write a Review

Chemistry Questions & Answers

  Depict the major organic product for 2-bromo-3-methylpentane

Draw the major organic product for (2R,3S)-2-bromo-3-methylpentane reacting with the given nucleophile. Indicate stereochemistry if necessary, including H\'s, at each stereogenic center.

  Define the equilibrium constant for the reaction

At a particular temperature the equilibrium constant for the reaction: H2(g) + F2(g) ? 2HF(g) is K = 36.0. A reaction mixture in a 10.00-L flask contains 0.42 moles each of hydrogen and fluorine gases plus 0.15 moles of HF.

  Explain what is the percentage of hydroxyapatite

Tooth enamel is mainly hydroxyapatite, Ca(PO4)6(OH)2.If 1.117g of tooth enamel reacts with acid to give 1.111g of calcium chloride, what is the percentage of hydroxyapatite in the tooth enamel sample

  Define what is the molarity of the acid

to reach equilibrium (at pH 7.00) through titration by adding 14.25 mL of 0.2030 M NaOH to 20 mL of this solution. What is the Molarity of the acid?

  Compute the concentration of h3o+

Calculate the concentration of H3O+, OH-, NH4+, and NH4+, and NH3 in 1.00 x 10-6 M NH4Cl solution. Kw = 1.00 x 10-14 and K = 5.52 x 10-10 for NH4+ H2O ?=? NH3 + H3O+.

  A bicycle tire is filled with air to a pressure of 100 psi

a bicycle tire is filled with air to a pressure of 100. psi at a temperature of 19 degrees celcius. riding the bike on

  What is the mass, in grams,of ethanol

Ethanol is a common laboratory solvent and has a density of 0.789 g/mL. What is the mass, in grams, of 143 mL of ethanol.

  State how many grams of kno

How many grams of KNO2 must be added to 5.00 liters of 0.67 M HNO2 solution to produce a buffer with pH = 3.15?

  Explain an air pollutant produced when nitrogen dioxide

Ozone is an air pollutant produced when nitrogen dioxide, NO2 , from automobile exhaust reactswith oxygen. The chemical equation for this reaction is NO2(g) + o2(g) ---> NO(g) + O3(g).

  Explain the amount of kmno4 delivered to the solution

The stock solution of KMnO_4 has a concentration of 2.6 X 10 ^ -4M. The pipette has a volume of 10.0mL. What is the amount of KMnO_4 delivered to the solution, in moles

  Suppose the same calorimeter constant you determined

Assuming the same calorimeter constant you determined (I got 217.8 J/degreesC) and assuiming NaOH is the limiting reagent, what is delta H(neutralization) in kJ/mol?

  State what is the mole fraction of water in solution

A solution contains 3.60 mol of water and 1.50 mol of nonvolatile glucose (C6H12O6). What is the mole fraction of water in this solution?

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!

Submit Assignment

Academics

Major Subjects

Majors

Get In Touch

whatsapp: +1-415-670-9521

Phone: +1-415-670-9521

Email: [email protected]

TERMS & POLICIES

HELP & SUPPORT

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