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Common sugar or sucrose is a nonvolatile substance of formula C12H22O11. Two teaspoons of sugar in a cup of coffee correspond roughly to 10 g of sugar dissolved in 200 g of water. What is the MOLE FRACTION of sugar in such a solution?
Talc (used in talcum powder) has mass composition 19.2% Mg, 29.6% Si, 42.2% O,and 9.0% H.What is the empirical formula of the compound?
Consider a solution formed by mixing 51.0 mL of 0.100 M H2SO4, 27.0 mL of 0.100 M HOCl, 25.0 mL of 0.200 M NaOH, 25.0 mL of 0.100 M Ca(OH)2, and 10.0 mL of 0.150 M KOH. Calculate the pH of this solution.
We find coesite and stishovite in shocked Coconino Sandstone at meteor Crater. We infer that coesite and stishovite formed from the transformation of quartz at high pressure and temperature.
Dehydration upon heating with concentrated sulphuric acid without carbocation rearrangement?
How many grams of NaNO2 form when 429 g NaNO3 react? The yield is 90.%.
How many electrons are transferred in the following oxidation-reduction reaction?
450 mL of oxygen is bubbled through water at 10 degrees celsius and exerts 720.0 torr. What volume will the dry gas occupy at 730.0 torr and 10 degrees celcius?
moles of H30+ or OH- must you add to 8.92 L of HA solution to adjust its pH from 4.34 to 5.09? assume a negligble volume change
What is the experimental yield (in g of precipitate) when 15.4 mL of a 0.6 M solution of iron(III) chloride is combined with 19.8 mL of a 0.719 M solution of lead(II) nitrate at a 80.1% yield
Use the initial volume of acetic acid, the volume of NaOH required to reach the equivalence point and the value of the molarity of NaOH that you obtained when you standardized this solution against KHP in the strong-acid/strong-base experiment to ..
Find reactant and product information, Balance the following reaction: Mn + HCl --> MnCl2 + H2, If you have 100g of Mn and 100g of HCl find
Decomp. of SO2Cl2 is first order and has a rate constant of 1.42x10^-4 S^-1. What is the half-life for the reaction. How long will it take to decomp 27.3% of its initial cocentration
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