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Consider a fragment of a Vitamin C tablet that contains 72.50 mg of ascorbic acid. The fragment is dissolved in 50.00 mL of (H_{2}SO_{4}) solution is then treated with 2 g of Kl and 50.00 mL of the potassium iodate solution (1L of 0.01000M solution requires 2.14g of potassium iodate).
How many moles of potassium iodate remain after all of the ascorbic acid has been oxidized?
In the Balmer-Rydberg equation, what value of is used to determine the wavelengths of the Balmer series?
When electrical current of unknown magnitude is run through the device for 3.50 min, 16.1 mL of water-saturated H_2(g) is collected. The temperature and pressure of the system are 25 degreesCelsius and 715 torr.
Calculate an unknown concentration of cobalt (II) nitrate if it and the original substance I was using both exhibit the color red? I'm pretty sure the answer is yes, but I want to double check.
The empirical formula of a compound is found to be P2O5. Experiments show that the molar mass of the compound is 560g/mol. What is the molecular formula of the compound?
Water autoionizes to produce hydronium ion and hydroxide ion. The product of the concentrations of these ions equals the water autoionization constant, Kw. This ionization constant depends on temperature, the enthalpy change, and the entropy chang..
John takes 3 hours longer than Andrew to peel 500 lb of apples. If together they can peel 500 lb of apples in 8 hours, then how longer would it take each one working alone?
Write the charge and full ground-state electron configuration of the monatomic ion most likely to be formed by P
The natural abundance of 13C is only 1.1%. Furthermore, its sensitivity in NMR spectroscopy (a measure of the energy difference between a spin aligned with or against an external magnetic field)
what volume of 0.150 M KCl solution is required to react completely with 0.150 L of a 0.175 M Pb(NO3)2 solution according to the chemical reaction
A process occurs spontaneously and DSsystem 0DSuniverse > 0The pressure is constant.Both (a) and (b) are correct.All of these answers are correct.
Ammonia reacts with oxygen gas to produce water and nitrogen gas. What mass of oxygen gas must be used to react with 19g of ammonia
What is the oxidation number of chlorine atom in Clo- c)What is the oxidation number of manganese in MnO2
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