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2 moles of salt are dissolved in 5 L of solution. What is the molarity of the solution?What is the molarity of a solution if 10.0 g of HCl are dissolved in 400 mL of solution?What is the molarity of a solution if 15.0 g of NaOH is dissolved in 1400 mL of solution?How many moles of solute are in 300 mL of a 0.450 M solution?How many moles of KCl are in100 mL of a 0.110 M KCl solution?
An expanding gas does 175.0 J of work on its surroundings at a constant pressure of 1.0 atm. If the gas initially occupied 68.0 mL, what is the final volume of the gas
a buffer ph 3.70 was prepared by mixing 1.00 mole of formic acid and 1.00 mole of sodium formate to form an aqueous
Calculate the pH of 1.00 L of a buffer that is 0.130 M HNO2 and 0.190 M NaNO2. What is the pH of the same buffer after the addition of 1.00 mL of 12.0 M HCl. (pKa of HNO2 = 3.40)
If 20.g of NaCl are used, how many grams of H2SO4 are required for complete reaction? Using the balance equation 2NaCl(s)+ 1H2SO4(aq)= 2HCl(aq)+ 1Na2SO4
What is the maximal amount of lead (II) iodide (the theretical yield) that can be obtained when 0.75 moles of lead (II) nitrate and 83 g potassium iodide are mixed together
Given that Kp for 2 SO2(g) + O2(g)-->/
Calculate the concentration given the absorbance. Each test tube has 5ml of water then a certain amount of bromol blue. 1 ul bromol blue absorbs at= 0.092, 2 ul=0.105, 4ul=0.093, 10=0.199, 20= .225, 30= 0.592, 50=0.957, 100= 1.717.
A 20-g mass of argon occupies 15.0 l at a pressure of 25 kpa . find the volume of the argon when the pressure is increased to 530 kpa.
How many grams of water would you add to 1.00 kg of 1.34 m CH3OH to reduce the molality to 1.00 m CH3OH
If the total mass of the mixture is 452.2 g, what masses of CaCl2 and water should be used?
The heaviest known isotope of hydrogen is called tritium, 3/1 H. It decays by beta emission, and half-life of 12.3 years. What fraction of a tritium sample will remain after 5.20 years
acetaminophen is a weaker acid than carbonic acid h2co3 but aspirin is a stronger acid than carbonic acid. prepare flow
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