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if xylitol has a chemical formula of c5h12o5, what is the percentage of oxygen in the compound?
On analysis of ammonium salt of alkanoic acid give 60.5% of carbon, 6.5% of hydrogen. If 0.309g of the salt yielded 0.0313g of Nitrogen. Determine the empirical formula of the salt.
On passing an electric current in copper II chloride solution, the concentration of the
solution decreased -as time passed- due to the reduction of some copper cations at the cathode. If a quantity of electricity is passed in a solution of 2 L and concentration of 0.5M, what is the concentration of the solution after passing a quantity of electricity of 48250 Coulombs?
Caffeine (C 8 H 10 N 4 O 2 ), is a stimulant found in coffee, tea, colas and energy drinks. It is
used to restore mental alertness or wakefulness during fatigue or drowsiness. Caffeine is
also found in some headache and migraine medications. Solve for its percent
composition.
How can determined of Sulfate in detergent washing powder?
how would you solve “Suppose you have 150 mL of a 17.5% NH4OH solution (m/V). How many mL
of this solution would be needed to get 21.0g of NH4OH?”
How many grams of
KClO3 must be decomposed to produce 91.7 g O
2
91.7 g O2?
The reading on a graduated glass tube filled with melted gallium is 120.50 cm at 29.8 ℃. The local acceleration of gravity is 9.784 m/s. To what pressure does this height of liquid gallium correspond? Express answer in kilo-Pascals (kPa). Density of mercury at melting point is 6.095 g/cm^3.
ferric phospate is a pesticide active ingredient used in controlling snails and slugs on food crops. How many grams are in 0.6 mole of F3PO4
How does solubility apply to food science ?
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#340153 on Dec 2023