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When using M1 x V1 = M2 x V2 to calculate any concentration or volume, what must one remember with regards to glassware when recording / using volumes?
a. Make sure the glassware is clean.
b. Account for the tolerances of the glassware.
c. Use the most precise glassware.
d. The tolerances of the glassware affect the accuracy of volume measurements.
e. All of the above.
A container has a mass of 78.91 grams when empty and 92.44 g when filled with water. The density of water is 1.000 g/cm3. Calculate the volume of the container. When filled with an unknown liquid, the container has a mass of 88.42 grams. Calculate..
How much water must be added to 562 mL of 0.200 M HCl to produce a 0.148 M solution? (Assume that the volumes are additive.)
Calculate the freezing point of a 2 molal solution of a nonelectrolyte glucose. feezing point constant for water being 1.86 C/molal
pH = log[H3O+] , pH + pOH = 14, [H3O+] * [OH-] = 1.0 X 10^-14, pH = -log(0.001) = 3 Could you show me a few of the steps between line one and two in both of these conclusions?
How much would the beaker and its content weigh if it was completely filled with mercury? The density of mercury is d = 13.5 g/mL ? = g
If a customer replaces a 85 watt bulb with an 20 watt compact fluorescent bulb that lasts 5000 hours, how much less coal (lbs)will be used to generate the electricity that is saved?
Which of the following will have the lowest freezing point?
Determine the vapor pressure of a solution prepared by dissolving 250 g of Ethanol in 375 g of water?
what purpose does sodium carbonate serve during the extraction of caffeine from tea leaves?
If a nonvolatile, yellow crystalline solid sample of 0.351 g is dissolved in benzene (C 6 H 6 ) of 15.8 g formed a solution. this solution freezes at the temperature of 4.77 degree celsius.
Draw a flow chart that illustrates how you would purify an organic compound that is contaminated with inorganic solids that are water soluble
explain why moderate contamination of a basalt by granitic rocks does not greatly change the FeO/MgO ratio of the hybrid magma with respect to the ratio of the original basalt.
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