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How many milliliters of a 0.56 M HCl solution do you need to obtain 0.0046 mol of HCl?
Determine how many grams of solute would separate if the quantity of the solvent is 129 grams if a saturated solution of ammonium nitrate at 75 °C is cooled to fifteen degree Celsius?
Compute the pH of a solution made by mixing eighty grams of NaCH3COO, to 39 grams of CH3COOH, and adding in H2O to produce 500. mL of solution.
Suppose that ammonia (a monoprotic base), applied to a field as a fertilizer, is washed into a farm pond containing 3.0 × 106 L of water. If the pH of this pond is found to be 9.81.
calculate enthalpy change for the quantity of zinc reacted. Be sure to follow the significant figures convention in the answer you report.
Explain What is the concentration of the HCl, A 25.00 mL sample of HCl of unknown concentration is completely neutralized with 25.00 mL
When 1.7 g sodium nitride is heated it forms sodium metal and nitrogen gas. How many grams of each are formed?
In the nitration of methyl benzoate, why do you wash the crystals with water followed by an ice-cold methanol washing? What is the purpose of pouring the reaction mixture over ice?
A sample of ethanol (C2H5OH) has a mass of 38.6 g. How many carbon atoms does the sample contain?
What mass of Li2SO4 is formed from mixing 24.5 mL of 1.32 molar LiOH with 10.2 mL of 2.43 molar H2SO4
If a 2.1 L reaction vessel initially contains 725 torr of cyclopropane at 485 degrees C , how long will it take for the partial pressure of cylclopropane to drop to below 102 torr .
The reaction of calcium hydride with water can be used to prepare small quantities of hydrogen gas, as is done to fill weather observation balloons.
Find the volume of a molar solution - What volume of a 0.250 molar solution of silver nitrate, AgNO 3 , is required to react with 18.6g of potassium phosphate
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