State what is the molality of the solution

Assignment Help Chemistry
Reference no: EM13555450

A reagent is sold a s a solution that is 60% by mass. What is the molality of the solution if the molar mass of the reagent is 90.0g?

Reference no: EM13555450

Questions Cloud

The compounds in order of the decreasing solubility in water : Rank the following compounds in order of their decreasing solubility in water (the one having the greatest solubility would be first)
Determine what mass of sand can be put on the raft : A wooden raft has a mass of 46 kg. When empty it floats in water (density 1000 kg/m^3) with 54% of its volume submerged. What mass of sand can be put on the raft without it sinking
Find the watermelons kineticenergy : A 4.25-kg watermelon is dropped fromrest from the roof of a 20.5-m-tallbuilding and feels no appreciable air resistance.
Explain what is the rate of formation of so3 : Given the following balanced equation, determine the rate of reaction with respect to [SO3]. If the rate of O2 loss is 3.56 x 10-3 M/s, what is the rate of formation of SO3. 2 SO2 (g) + O2(g) 2 SO3(g)
State what is the molality of the solution : A reagent is sold a s a solution that is 60% by mass. What is the molality of the solution if the molar mass of the reagent is 90.0g
Write a literature review : Write a literature review that explains what is known and not known about the phenomenon based on a critical evaluation of the five studies - theory and research from the student''s specialization coursework to real life situations where he or she ..
Find the maximum speed and the maximum acceleration : A spring-block system executes simple harmonic motion. The mass of the block is m = 12 kg and the total energy is E = 18 J. The amplitude is A = 0:10 m. Find the maximum speed and the maximum acceleration
Determine the frequency of the oscilation : A car spring (lenght (0.2) m) is suspended from the ceillingof a garage . A 200kg mass is suspended from the spring which stretches an extra 0.004m . the spring is stretched slightly ( veryslightly ) further and released assume SHM and determine t..
What is the initial speed of the cylinder : A cylinder of radius b has a moment of inertia I = (1=2)mb2. The cylinder is rolled along a °at horizontal surface at speed v, What is the initial speed v of the cylinder

Reviews

Write a Review

Chemistry Questions & Answers

  State what is the numerical value of the compression factor

Derive an expression for the compression factor of a gas that obeys the equation of state p(V-nb)=nRT, where b and R are constants. If the pressure and temperature are such that Vm=10b, what is the numerical value of the compression factor?

  Calculate the percent yield of this process

Copper dissolved in nitric acid, producing copper (II) nitrate. After reaction with sodium hydroxide and heating, copper nitrate changed to coper (II) oxide. Calculate the percent yield of this process if 1.075 g of copper produced 1.075 g of copp..

  State the percentages are the same for all samples analyzed.

A different sample of carbon dioxide also contains 27% carbon and 73% oxygen. The percentages are the same for all samples analyzed. Explain these observations with respect to atomic theory.

  Explain what is the entropy of h2

The value of deltaS0 for the following reaction is - 233J/K at 250C. What is the entropy of H2 (g) at 250C? C2H2 (g) + 2H2 (g) ----> C2H6 (g) a.131 b.204 c.102 d. 262

  Explain predict the rate of change in the concentration

Predict the rate of change in the concentration of N2O over this time interval. In other words, what is dt [N2O]/ dt?

  Explain technique for the analysis of copper ion

Critically evaluate the procedure used in this experiment as a quantitative technique for the analysis of copper (II) ion. Suggest sources of errors and ways of minimizing the error

  Explain what mass of carbon dioxide is produced

What mass of carbon dioxide is produced from the complete combustion of 8.10×10?3 of methane

  Evaluate the ph during the titration

Calculate the pH during the titration of 100.0 mL of 0.200 M HCl with 0.400 M NaOH. First what is the initial pH (before any NaOH is added

  Define what is the pressure in the flask after the reaction

A mixture of gases containing 0.40 mol of SO2 and 0.20 mol of O2 in a 4.0L flask reacts to form SO3. If the temperature is 25oC, what is the pressure in the flask after the reaction is complete

  Explain the bomb was immersed of water

A chemical engineer studying the properties of fuels placed 1.500 g of a hydrocarbon in the bomb of a calorimeter and filled it with O2 gas. The bomb was immersed in 2.500 L of water and the reaction initiated.

  Define what substance is oxidized or reduced

The following half reaction takes place in a lead storage battery used in automobiles: Pb(s)+SO4^2-(aq)>PbSO4(s)+2e^- a)is the half reaction an oxidation or reduction

  Define the structures of the eight isomeric pentyl alcohols

Draw the structures of the eight isomeric pentyl alcohols (C5H11OH) and name them including primary

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