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The pH of a 0.00100 M solution of a particular acid is 4.95 at 25 degrees Celcius. Use the solution pH to calculate the concentration of hydronium ion present
Calculate the number of grams of KClO3 needed to make 400 mL of 0.913 M solution.
An 18.0-g sample of magnesium is completely burned in the presence of air to form magnesium oxide. What is the mass of the magnesium oxide obtained?
Suppose you want to produce 1L of 3.50M aqueous solution of H2SO4. How many grams of solute are needed to make this solution.
There are about 1,200,000 autos .each auto emits 3.1g NO2 and 1.6g CH4 per vehicle mile. Each auto travels 30 miles round trip per day. How much NO2 and CH4 in g/day is emmited in the air daily?
The normal boiling point of ether is 307.8 K. Calculate the temperature at which its vapor pressure is exactly half of that at its normal boiling point.
Give the shape of each molecule in problem and describe whether each molecule is polar or non polar and tell whether each is soluble or insoluble in water
what is the hybridization state of the bridgehead carbons in [1.1.1] bicyclopentane (C5H8) and [1.1.1.0] tricyclopentane (C5H6)
An oxide of phosphorus contains 56.4% oxygen and has a molar mass of 284 g/mol. What is the molecular formula for this compound?
A 0.3500 g sample of brass is analyzed by the procedure in the above exercise. The Beer's Law constant for the copper ammonia complex is determined to be 7.50 x 10^-1 mL/mg.
A tablet of Vitamin C changed color at 23.7 mLs of Iodine. how do you determine how much vitamin c is in the tablet.
Write down the balanced chemical equation when Fe 3 O 4 reacted with carbon monoxide and calculate mass of carbon dioxide that will be produced in this reaction if 234 g carbon monoxide is reacted with excess Fe 3 O 4 ?
Calculate the resulting pH if 455 mL of 0.200 M HCl is mixed with 315 mL of 0.0850 M Ca(OH)2.
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