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If 80.0 grams of NaCl are dissolved in 135 mL of sulfuric acid H2SO4 calculate the following concentration measures
Weight/volume percent
Weight/Weight percent
Molarity
160 mL of a 47.5 weight/volume% NaCl in water solution is diluted to 480 mL. What will be the weight/volume% of the diluted solution?
Solution A is 3.15 M CaCl2. 110mL of solution A are diluted to 500. mL of solution B. 45.0 mL of solution B are diluted to 335. mL of solution C. What is the concentration in moles per liter of solution C?
Question- A sample of curium 243 were prepared with an activity of 3012 disintegrations per second. After 1 year the activity of the sample had declined to 2921 disintegrations per second.
if the distance between a proton and electron is 0.50nm, would you except the force of attraction to be greater than or less than 0.26 times 10 to the negative 8th N?
The solution is filtered, and a 60.00mL sample titrated with HCl requires 11.13mL of 9.78×10?2 M HCl to reach the end point. Calculate Ksp for Ca(OH)2
What is the lead (II) ion concentration in a solution prepared by mixing 381 mL of 0.437 M lead (II) nitrate with 433 mL of 0.362 M sodium fluoride? The Ksp of lead (II) fluoride is 3.6 × 10^-8.
Calculate the number of molecules of the compound and the number of atoms of each of the elements in 6.03 moles of P4O10.
A buffer contains 0.40M base, B, and 0.25M of its conjugate acid, BH+, and has a pH = 8.88. What is the pH after 0.0020mol of HCl is added to 0.25L of this solution?
An unknown gas is held in 2 separate containers with identical number of moles of gas. The volume of container 2 is 0.347 L and has a pressure of 0.315 atm. The volume of container 1 is 1.145 L. What is the pressure of the unknown gas in container..
Two radioactive isotopes of iodine used for the diagnosis and treatment of thyroid disease have mass numbers of 123 and 131. For each isotope, give the following information: (a) the number of protons; (b) the number of neutrons; (c) the number of..
what effect does conjugation (alternating single and double or alternating single and triple bonds) have on the location
1) The esterification of acetic acid with ethanol to form ethyl acetate has an equilibrium constant of 3.4 at 25 degree C. If you dissolve 0.231 mol of acetic acid (CH3CO2H) in 1.00 L of ethanol (C2H5OH), what would be the concentration of the ethyl..
How is posible that an ionic compund have a positive and negative ions and still have a net charge of zero
A 25.00 mL sample of sulfuric acid (H2SO4) REQUIRED 21.26 mL of 0.124 mL N NaOH to titrare it to the endpoint.
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