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If a 100.00 g sucrose solution has a boiling point of 101.5 degrees celsius, how many moles of sucrose are in the solution? How many grams?
What is the percent mass concentration of NaCl in a solution that is prepared by adding 15.0 g of NaCl to 90.00 g water?
What happens to each of the following properties of a solution when the concentration of solute is decreased?
a. vapor pressure
b. boiling point
c. freezing point
What is the concentration of OH- in each of the following solutions?
a. 0.0010 M KOH
b. 0.0010 M HCl
c. 0.0050 M NaOH
Another student was in a hurry and stopped heating, even though bubbles were still emerging from the rubber tubing. 3.) A student used the measure of Flask no.1 to be 250mL, without measuring the volume as directed
calculate the kg mix- ture from the mixer, kg water evaporated, and kg jam produced.
if you dissolve the weighed mass of zinc in water which had not been deionized, how would the volume of EDTA required to reach the indicator end-point
according to the following pKa values listed for a set of acids, which would lead to the strongest conjugate base?
0.90 of hydrogen chloride () is dissolved in water to make 5.5 of solution. What is the of the resulting hydrochloric acid solution?
why is it important that none of the solid CaCl2 be included in the final distillation of 1-bromobutane?
Calculate the mass of ascobic acid in the whole tablet( use mass of whole tablet) c) Calculate the %error in the mass of ascobic acid in one whole tablet
What volume of O2 gas (in L), measured at 782 mmHg and 25C is required to completely react with 53.2 g Al
A solution is prepared by dissolving 179 g sucrose (C12H22O11) in enough water to produce 1.15 L solution. What is the molarity of this solution?
Compute the boiling point elevation of a salt water solution that contains 5.90 g of NaCl dissolved in 109 ml of water. Enter the number of degrees celsius that the boiling point will be elevated.
What do you think might happen during the solvent migration up the paper if the two long edges of the filter paper overlapped when folded
Write chemical formulas for (a)lithium bromide,(b)calcium sulfide,(c) sodium sulfide,(d)beryllium oxide,(e) the chlorine molecule
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