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Calculate the mass of NaHCO3 that was used up in the reaction for each beaker. The molecular weight of NaHCO3 is 84.007 g/mole?
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What is the volume of a solution with a concentration of 1.2 M that contains 12 g of NaOH?
Bob, a sales manager for BuyMore, stopped by The Grill to meet a client for dinner. Bob always enjoyed having an expensive bottle of wine with dinner to impress his clients. This client, Mary, owns an antique import busi ...
If liquid is at or above it's flash point, the flame spread rate is fast, and the entire pool is engulfed within seconds. In such a case, the liquid is already evaporating sufficiently to reach the lower flammability lim ...
A chemist adds 75.0 mL of a 1.92 M nickel(II) chloride (NiCl2) solution to a reaction flask. Calculate the millimoles of nickel(II) chloride the chemist has added to the flask. Round your answer to 3 significant digits.
15 grams of NaCl is dissolved completely in a beaker containing 200mL of water. What is the Na+ concentration in moles/liter in the final solution?
A scuba diver creates a spherical bubble with a radius of 2.5 cm at a depth of 30.0 m where the total pressure (including atmospheric pressure) is 4.00 atm. What is the radius of the bubble when it reaches the surface of ...
A chemistry lab experiment requires 67.4 grams of silvernitrate. How many grams of a 15.5% by mass solution of silvernitrate should be used?
Question - The solubility of O 2 (g) in water is 4.43 mg of O 2 /100g H 2 O at 20 o C and 1 atm pressure. What pressure of O 2 (g) would be required to produce a saturated solution that is 0.010 M O 2 ?
Determine the kinetic energy of a 75.0 kg mass moving at 61.3 m/s. Your answer should be in Joules.
Consider the following questions: (a) What is the total volume of the CO2(g) and H2O(g) at 600 °C and 0.888 atm produced by the combustion of 1.00L of 2H6(g) measured at STP? (b) What is the partial pressure of H2O in th ...
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