Define a nacl solution contains nacl by mass

Assignment Help Chemistry
Reference no: EM13550087

A NaCl solution contains 20.0% NaCl by mass and has a density of 1.15 g/mL. The molarity of the solution is: (hint: assume 1000. g of this solution)

Reference no: EM13550087

Questions Cloud

What is the spring constant of the device : A (hypothetical) large slingshot is stretched 1.2 m to launch a 170 g projectile with speed sufficient to escape from Earth (11.2 km/s). What is the spring constant of the device
Compute the total kinetic energy of rotation : Each of the three helicopter rotor blades shown in the figure is 5.20 m long and has a mass of 286 kg. The rotor is rotating at 250 rev/min. What is the total kinetic energy of rotation
Estimate how fast was he running initially : A 103 kg fullback runs at the line of scrimmage. A constant force of 3399 N must be exerted on him to bring him to rest in a distance of 1.2 m in a time interval of 0.27 s. How fast was he running initially
Initial kinetic energy is converted to heat energy : An aluminum block slides along a horizontal surface. The block has an initial speed of 11.0 m/s and an initial temperature of 10.7degrees C. The block eventually slides to rest due to friction.
Define a nacl solution contains nacl by mass : A NaCl solution contains 20.0% NaCl by mass and has a density of 1.15 g/mL. The molarity of the solution is: (hint: assume 1000. g of this solution)
Crate slides along a horizontal frictionless surface : A 12.5-kg crate slides along a horizontal frictionless surface at a constant speed of 4.0 m/s. The crate then slides down a frictionless incline and across a second horizontal surface as shown in the figure.
Explain an organic compound was synthesized : An organic compound was synthesized & a sample of it was analyzed & found to contain only C, H, N, O, & Cl. It was observed that when a 0.150g sample of the compound was burned it produced 0.138g CO2 & 0.0556g H2O.
Two metal plates are held together by two steel rivets : Two metal plates are held together by two steel rivets, each of diameter 0.24 cm and length 1.3 cm. How much force must be applied parallel to the plates to shear off both rivets?
Estimate how long does it take her to cross the river : A river 108.0 m wide flows toward the south at 35.6 m/min. A girl on the west bank wishes to reach the east bank in the least possible time. How long does it take her to cross the river

Reviews

Write a Review

Chemistry Questions & Answers

  Explain the vapor pressure of pure ethanol

What mass of C2H5OH should be added to 535 kg of the paraffin in formulating the mixture if the vapor pressure of ethanol at 35°C over the mixture is to be 8 torr? The vapor pressure of pure ethanol at 35°C is 100 torr.

  What is the molecular weight of the unknown acid hz

A 0.456 gram sample of an unknown mono protic acid (let's call it HZ) was dissolved in  some water (you pick the amount). Then the  acidic solution was titrated to the equivalence  point with 32.5 mL of 0.174 M KOH.

  How to calculate the pressure of gas sample as indicated

Given a barometric pressure of 756.0{rm mmHg} , calculate the pressure of gas sample (a) as indicated by the manometer

  How isolate an enriched mixture

Suppose you have a Mo-W alloy that is 70 wt% W. Describe a process that would allow you to isolate an enriched mixture that is 80 wt% W. What would your yield be for a two-step process

  How many grams of water are formed when 500 g of butanol

how many grams of water are formed when 5.00 g of butanol combust with excess oxygen according to the reaction shown

  Explain a reaction where oxygen reacts with the compound

Complete combustion of a hydrocarbon is a reaction where oxygen reacts with the compound to yield carbon dioxide and water. What is the correct balanced equation for complete combustion of CH4

  Explain what is the ph after addition of 75 ml koh

30 mL of 0.25 M acetic acid are titrated with 0.05 M KOH. What is the pH after addition of 75 mL KOH

  Calculate the approximate volume of a sample of gas

calculate the approximate volume of a 0.600 mol sample of gas at 15.0 degrees Celcius and a pressure of 1.10 atm.

  Evaluate the time required for the concentration of a

A reaction has a second-order rate law with kr=1.44 dm3 mol-1 s-1. Calculate the time required for the concentration of A to change from 0.460 mol dm-3 to 0.046 mol dm-3.

  How many grams of ice at -205 degrees c can be completely

how many grams of ice at -20.5 degrees c can be completely converted to liquid at 16.3 degrees c if the available heat

  Compute the amount of heat evolved in the oxidation

Compute the amount of heat evolved in the oxidation of 32.0 grams  of Fe at  the temperature 25 oC and  pressure 1 atm pressure ( ΔHfo(Fe 2 O 3 ,s) = -824kJ/mol)

  Explain the central atom in a molecular compound

Nonmetals like C,N,S and P are typically the central atom in a molecular compound rather than nonmetals such as O,F,H and Cl. One reason for this is

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