What is molarity of the solution after the water evaporates

Assignment Help Chemistry
Reference no: EM13176131

A student makes 215 mL of a 3.15M solution of Na2SO4. he then forgets to seal it and some water evaporates overnight. When he comes back int he morning, the volume of the solution is only 205 mL. What is the molarity of the solution after the water evaporates?

Reference no: EM13176131

Questions Cloud

What mechanisim in vicinity of star : What mechanisim in the vicinity of a star gives us a hint of the precence of a black hole as a companion to the stars?
Nitrogen dioxide dimerizes to produce dinitrogen tetroxide : Nitrogen dioxide dimerizes to produce dinitrogen tetroxide. Give a possible explanation for why this reaction occurs
Why the empty crucible and cover fired to red : in experiment to find emperical formula of magnesium oxide, why the empty crucible and cover fired to red?
State a polyatomic ion containing an unknown element : A polyatomic ion containing an unknown element, E, has the chemical formula EO3 with -1 charge, and has 26 total electrons. Provide 3 possible identities of element E
What is molarity of the solution after the water evaporates : A student makes 215 mL of a 3.15M solution of Na2SO4. he then forgets to seal it and some water evaporates overnight. When he comes back int he morning, the volume of the solution is only 205 mL. What is the molarity of the solution after the wate..
Define the short-run aggregate supply curve shows : In the 1960s and 1970s, research funding by the U.S. government and some universities led to revolutionary advances in network computing. These advances in communication and network technology remained largely isolated to governmental and academic..
Compute the value of henry''s law constant kh : Use the graph of solubility of O2 in water vs. temperature to calculate the value of Henry's law constant KH
Local governments raise money : Local governments raise money for the services that they provide mainly through
What is the molarity of the acid : A 55 mL sample of 0.15M Ca(OH)2 is neutralized by 47.2 mL of HBR. What is the molarity of the acid?

Reviews

Write a Review

Chemistry Questions & Answers

  Heat of sublimation of methane

Calculate approximately the value for the heat of sublimation of methane and calculate the pH for this solution

  Calculate the molar heat of combustion of methane

10 g of methane (CH4) is combusted in a calorimeter that has an empty heat capacity of 18 J/°C. The calorimeter contained 150 g of water.

  Calculate the ph of a sodium cyanide solution

Calculate the pH of a sodium cyanide solution that is 0.37M NaCN. The Ka for hydrocyanic acid HCN is 4.00E-10.

  What happens to the solution

Magnesium hydroxide is used in several antacid formulations. When it is added to water it dissociates into magnesium and hydroxide ions. Mg(OH)2(s) Mg2+(aq) + 2OH-(aq).

  How many molecules of hcch react

How many molecules of HCCH react with 143 molecules of oxygen to produce carbon dioxide and water?

  What is the percent by mass of nahco3

What is the percent by mass of NaHCO3 in a solution containing 50 g of NaHCO3 dissolved in 400 mL of H2O?

  How much ice(in grams) would have to melt

How much ice(in grams) would have to melt to lower the temperature 352ml of water from 25degrees celcus to 5 degrees celcus? ( assume the density of water is 1.0g/ml)

  What is the concentration of ba2+ in the new solution

When 24 mL of a 190 mL stock solution containing 1.8 M BaF2 is diluted to 78 mL, what is the concentration of Ba2+ in the new solution?

  Calculate the maximum amount of co2

Calculate the maximum amount of CO2 that can be produced when 64.0 g of O2 and 64.0 g of CH3 OH are mixed for the reaction 2 CH3OH + 3 O2 → 2 CO2 + 4 H2 O .

  Define the operating mechanism and the factors

what kind of product distribution and what does that tell you about the operating mechanism and the factors that affect product distribution?

  What volume of 2.0 m naclo must be diluted

What volume of 2.0 M NaClO must be diluted with water to prepare 500.0 mL of 0.10 M NaClO?

  Explain the law of constant composition

Which of the following could be the results of the decomposition of the other sample, being consistent with the law of constant composition (also called the law of definite proportions or law of definite composition)?

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