Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
1) A solution contains 11.50% sucrose (cane sugar) by mass. What mass of the solution, in grams, is needed for an application that requires 2.50kg sucrose?
2) Please see figure to answer this.The angle iron pictured here is made of steel with a density of 7.78g/cm^3. What is the mass, in grams, of this object?
3) A vinegar sample is found to have a density of 1.006g/mL and to contain 8.7% acetic acid by mass. How many grams of acetic acid are present in 1.60L of this vinegar?
4) A solution of sucrose in water is 29.9% sucrose by mass and has a density of 1.118g/mL. What mass of sucrose, in grams, is contained in 1.70L of this solution?
5) A lump of pure copper weighs 25.162gin air and 22.384g when submerged in water (d= 0.9982g/mL) at 20.0C. Suppose the copper is then rolled into a 260-cm2 foil of uniform thickness. What will this thickness be, in millimeters?
A 270 mL stock solution contains 0.9 M Ca(CN)2. When 103 mL of the stock solution is diluted to 130 mL, how many moles of CN- ions will be contained in the dilute solution?
calculate the volume of O2 the bottle could deliver to a climber at an altitude where the temp is -38 C and the atmospheric pressure is 0.40 atm.
What mass of aluminum metal can be produced per hour in the electrolysis of a molten aluminum salt by a current of 20 A. Express your answer using two significant figures.
A 11.655 g aliquot of this solution is then titrated with 0.1079 M HCl. It required 30.25 mL of the HCl solution to reach the methyl red endpoint. Calculate the weight percent NH3 in the aqueous waste.
If 10.3 mL of 0.100 N NaOH is used to bring 10.0 mL of juice to a pH of 8.20, what is the titratable acidity (g/L tartaric acid)? Assume tartaric acid is 75.0 eq/L.
Dry ice is solid carbon dioxide. A 0.149 g sample of dry ice is placed in an evacuated 4.77 L vessel at 26.0 degree C. calculate the pressure inside the vessel after all the dry ice has been converted to CO2 gas
A gas sample has a volume of 4250 ml at 15 degree celsius and 749mmHg. What is the new temperature (degree celsius) after the sample is transferred to a new container with a volume of 2.50 L and a pressure of 1.20 atm
Question- How much water should be added to 10.0 mL of 12.0 M HCl so that it has the same pH as 0.90 M acetic acid (K a = 1.8 * 10^-5 )
making it an excellent choice as a standard acid. What is the concentration of a NaOH solution, if it takes 62.00 mL to neutralize a 0.0778 g sample of the acid?
Explain what volume of 1.75 M of hydrocholoric acid should be diluted with water to prepare 0.500L of 0.250M of hydrochloric acid? The volume of hydrochloric acid is desirable
A solution is made by mixing equal masses of methanol, CH4O, and ethanol, C2H6O. Determine the mole fraction of each component
a suppose that 10.0 mol c2h6g is confined to 4.860 dm3nbspat 27degc. predict the pressure exerted by the ethane from a
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!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd