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Chromium is a metal used in making various steels. A rectangular bar of this metal measuring 1.75 cm 2.18 cm 2.28 cm was found to have a mass of 62.1 g. What is the density of chromium?
Consider a 0.53 M solution of each of the following salts in distilled water. Will the solution be acidic, neutral, or basic? You may need to reference a table of Ka and Kb Tables values
Calculate What will be the volume of this gas sample at standard atmospheric pressure and
A vitamin C containin sample was titrated to the blue colored endpoint with 19 ml of 0.12 M iodine solution. How many grams of Vitamin C were in the sample
calculate the average moles of ascobic acid in the pipetted sample used for titration d)Calculate the average moles of ascobic acid in the crushed tablet.
According to the VSEPR model, what are the arrangement of two, three, four, five, and six valence-shell electron pairs about an atom
A solutions of hydrochloric acid was formed by dissolving 1.52g of hydrogen chloride gas in enough water ti make 24.1 mL of solution. what is the concentration in percent (m/v) of solution
Calculate the concentration of each ion present in a solution that result from mixing 50 mL of a .20 M NaCLO3 solution with 25 ml of a .20 M Na2SO4. ASsume that the volumes are additive.
What is the pH of a solution that contains three parts of acetic acid and one part sodium acetate?
What is the molar mass of a gas if 1.15 g of gas has a volume of 225 mL at 0 degrees C and 1.00 atm (STP)
what volume of dry H2 gas would theoretically be produced if it is measured at 20 degrees Celcius and 785 mmHg?
How much difluoroacetic acid (d = 1.526g/cm^3 MW = 96.033) should be transferred to a 500 mL volumetric flask that's half full of water to generate
How would I list the following aldehydes in terms of increasing reactivity ClCH2CHO, CH3CHO, Cl3CCHO, and Cl2CHCHO?
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