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A stock solution is prepared by adding 21 mL of 1 M AlCl3 to enough water to make 76 mL. What is the Cl- concentration of 40 mL of the stock solution?
A stock solution is prepared by adding 24 mL of 0.4 M Na3PO4 to enough water to make 76 mL. What is the PO43- concentration of 25 mL of the stock solution
how many grams of sugar are in 15.0% concentrated solution with a total mass 125 g?
A 4.70 g nugget of pure gold absorbed 278 J of heat. The initial temperature was 28.0°C. What was the final temperature.
Calculate the energy change when one 235U nucleus undergoes the fission reaction 235U + n -> 142Ba + 92Kr + 2 n . The masses needed are 235U : 235.04 u; 142Ba : 141.92 u; 92Kr : 91.92 u; n : 1.0087 u.
A 10.9-g mixture of nitrogen and carbon dioxide is found to occupy a volume of 8.88 L when measured at 641.9 mmHg and 28.5oC. What is the mole fraction of nitrogen in this mixture?
What volume of O2 at 684mmHg and 37degree celsius is required to synthesize 22.0 mole of NO2.
Find the volume of a gas inside a cylinder - What will be the resulting volume of this gas?
The temperature inside my refrigerator is about 40 Celsius. If I place a balloon in my fridge that initially has a temperature of 220 C and a volume of 0.5 liters
calculate the milliliters of 0.124 M KOH required to neutralize 46.0 mL of 0.200 M HNO2-?
Sodium thisulfate, Na2S2O3, is used as a fixer when developing photographic film. What is the mass in grams of Na2S2O3 needed to make 100ml of a 0.25 solution?
An unknown gas X effuses 1.65 times faster than C3H8. What is the molecular mass of gas X?
Sodium Bisulfite UseThe non-shrinking, non-warping nature of ultramarine blue, along with its exceptional heat and light stability has led to the development of a range of high quality ultramarine blue pigments specifically for masterbatchs applicati..
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