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Zinc carbonate hydroxide contains 59.55% zinc by mass. Calculate the molecular weight (molar mass) of zinc carbonate hydroxide. (There are 5 atoms of zinc in every unit of zinc carbonate hydroxide.)
determine the bond angles of BF3 and CH2O and comment on why the angles are different.
how many milliliters of a .215 M NaOH solution are needed to completely neutralize 2.50 mL of a .825 M H2SO4 solution
How can you determine whether a molecule or ion will exhibit delocalized bonding?
What volume of chlorine gas at 646 torr and 32oC would be produced by the reaction of 14.75 g of MnO2 according to the following chemical equation. MnO2(s) + 4 HCl(aq) ----> MnCl2(aq) + Cl2(g) + 2 H2O(l)
Assume that an incorrectly adjusted lawn mower is operated in a garage such that the combustion reaction in the engine is:
Enough of a monoprotic acid is dissolved in water to produce a 0.0113 M solution. The pH of the resulting solution is 6.43
How much of the drug substance has to be used (calculate)? B) How much NaCl do you need to add to hace an isotonic preparation?
Component of citrus fruits is the bitter compound limonin, which contains only carbon, hydrogen, and oxygen. When a 1.000-gram sample of limonin is subjected to complete combustion, 2.432 grams of CO2 and 0.574 grams of H2O are produced.
if you have 200.0 g of radioisotope with a half-life of 5 days. how much isotope would remain after 15
a gas is enclosed in a cylinder fitted with a piston. the volume of the gas is 2.00 l at 1.00 atm pressure. the piston
Explain how a detergent enables an aqueous solution to become capable of dissolving non-polar chemicals (such as grease, oil, ink, etc)
Many hospitals, and some doctors\' offices, use radioisotopes for diagnosis and treatment, or in palliative care (relief of symptoms such as pain). Some radioisotopes used in medicine are listed below.
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