Explain a stock solution is prepared by adding nano2

Assignment Help Chemistry
Reference no: EM13530666

A stock solution is prepared by adding 35 mL of 1.5 M NaNO2 to enough water to make 49 mL. How many moles of NO2- are in 30 mL of the stock solution?

Reference no: EM13530666

Questions Cloud

Calculate how many electrons pass through the filament : A 9.00-V battery delivers a current of 1.37 A to the lightbulb filament of a pocket flashlight. How many electrons pass through the filament
Using quotes from st thomas aquinas : Using quotes from St Thomas aquinas, summa theologiae 1-2.109 of the necessity of grace, what does Aquinas mean by grace and why is it necessary?
Explain eather at room temperature is placed in a flask : Eather at room temperature is placed in a flask connected by rubber tubing to a vacum pump, and the pump is turned on, and the ether begins boiling. Explain.
Placebo effect : Placebo Effect
Explain a stock solution is prepared by adding nano2 : A stock solution is prepared by adding 35 mL of 1.5 M NaNO2 to enough water to make 49 mL. How many moles of NO2- are in 30 mL of the stock solution
Calculate what is the rockets maximum altitude : A rocket is fired straight up and accelerates upward at 20 m/s2 for 12 seconds. What is the rocket's maximum altitude
Explain how many moles of al3+ are in the new solution : When 30 mL of a 375 mL stock solution containing 2.11 M AlCl3 is diluted to 92 mL, how many moles of Al3+ are in the new solution
Find how many seconds does it take from start to stop : A car is stopped at a traffic light. When the light turns green it accelerates at 2.5 m/s2 for 16 seconds. How many seconds does it take from start to stop
Explain the initial concentrations of ni2 and zn2 : A voltaic cell consists of a Zn/Zn2+ half-cell and a Ni/Ni2+ half-cell at 25 . The initial concentrations of Ni2 and Zn2 are 1.80 and 0.130 , respectively.

Reviews

Write a Review

Chemistry Questions & Answers

  Evaluate the van der waals equation

Without referring to a table, select from the following list the gas that has the largest value of b in the van der Waals equation: CH4, O2, H2O, CCl4, Ne.

  Explain what will be the ph of the mixture

If 2 volumes of 0.1 M monobasic potassium phosphate, KH2PO4, are mixed with 1 volume of 0.1 M dibasic sodium phosphate, Na2HPO4, what will be the pH of the mixture?

  Explain the vmax of the enzyme when enzyme concentration

What is the Vmax of this enzyme when enzyme concentration equal to 0.3 mg ml-1? b) When the above reaction was carried out in the presence of 2.5 ?M inhibitor, the Vmax is 0.03 M sec-1. What kind of inhibitor is this. Justify your answer with prop..

  State the elemental mass percent composition of ascorbic

the elemental mass percent composition of ascorbic acid (vitamin C) is 40.92% C, 4.58% H, and 54.50% O. Determine the empirical formula

  Explain liquid bromine at room temperature

a student is asked to calculate the amount of heat involved in changing 10 grams of liquid bromine at room temperature (22.5 C) to vapor at 59 C. To do this, one must use tables 8.1 and 8.2 for information on the specific heat, boiling points

  Define the reaction of nano2 in water

Consider the reaction of NaNO2 in water, using the Kb of NO-2. Calculate ?G° for the hydrolysis at 298K.

  Explain osmosis occurs when the solvent molecules move

Osmosis occurs when the solvent molecules move from a solution of higher solute concentration to a solution of lower solute concentration.

  How many grams of ammonium sulfate can be produced in 30

how many grams of ammonium sulfate can be produced in 30 mol of h2so4 react with excess nh3 according to the equation

  Explain the mass of water displaced by the lead weight

A lead weight hanging from a string is suspended in the water and the mass reading on the scale increases to 127.9 g. The lead weight falls from the string, rests on the bottom of the beaker and the reading becomes 309.4 g. What is the mass of wat..

  Explain the decomposition of nitrous oxide

The experimental rate law for the decomposition of nitrous oxide (N2O) to N2 and O2 is rate = k[N2O]^2. Two mechanisms are proposed: I. N2O

  State dna polymerase is an enzyme that accurately replicates

The DNA Polymerase is an enzyme that accurately replicates your DNA. It has only one active site! Describe how four bases with different geometries can fit into a single active site and how does the enzyme differentiate between the four bases

  Explain the magnetic environment of hydrogens bonded

Select the statement below that describes the magnetic environment of hydrogens bonded to the sp2 hybrid carbons of pi systems relative to alkyl hydrogens bonded to sp3 hybrid carbons:

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