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Calculate the concentration of each ion present in a solution that result from mixing 50 mL of a .20 M NaCLO3 solution with 25 ml of a .20 M Na2SO4. ASsume that the volumes are additive.
A 3.00 L helium balloon, initially at STP, floats up to an altitude of 10 km, where the pressure is 200.0 torr and the temperature is -45°C. What is the balloon's new volume?
Calculate how many molecules of C 2 H 6 S (ethyl mercaptan )are contained in 1.0 micro liter sample if the given density = 0.84 g/mL
if a total of 702 mol of NaHCO3 and 2.4 mol of C6H8O7 react, how many moles of CO2 and Na3C6H5O7 will be produced?
60.0 mL of a 0.450 M HNO_3 solution is titrated with 0.570 M KOH. Calculate the volume of KOH required to reach the equivalence point.
if the density of mercury is 13.6g/cm3, what will be the volume of 300g of mercury ?
find out that how many mL of this suspension must be given to an infant with 21lb weight if the recommended dose =10 mg/kg body weight?
If 100.0 grams of copper (Cu) completely reacts with 25.0 grams of oxygen, how much copper(II) oxide (CuO) will form from 140.0 grams of copper and excess oxygen?
If we add more water to the vessel the pressure (remains the same, decreases, or increases)? Fully explain answer for credit
a solution of 8.32g of paba in 150g of chloroform boiled at 62.62C. what is the molecular mass of paba?
Determine the molar mass of chloroform gas if a sample weighing .389 grams is collected in a flask with a volume of 102cm cubed at 97 degrees Celsius. The pressure of the chloroform is 728 mmHg.
In 1978, scientists extracted a compound with antitumor and antivirus properties from marine animals in the Caribbean Sea. A sample of the compound didemnin-A
A .647 L sample of hydrogen chloride (HCl) gas at 1.12 atm and 23°C is completely dissolved in 885 mL of water to form hydrochloric acid solution. Calculate the pH of the solution.
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