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How many grams of solute are needed to make each of the following solutions?296.5 mL of 0.333 M barium acetate
Give the number of electrons in an atom that can have the following quantum number or sublevel designations: n = 3, l = 2
Write a balanced equation for the decomposition reaction described, using the smallest possible integer coefficients. When carbonic acid decomposes, water and carbon dioxide are formed.
If the molecular weight of a molecule is 180, how many grams would be required to make 100 milliliters of a 2 molar solution
An unkown metal crytallizes in one of the three cubic lattices.The edge length of the unit cell is 408pm.Given that the atomic radius of the metal is 144pm and the density of the solid is 19.3g/cm-3
0.134 mole of kcl and 0.248 mole of cacl2 were dissolved in water. calculate the total number of moles of cl- ions in the solution.
Consider the structure of 1-butanol and explain why this alcohol does not undergo SN1 reactions.
Why does a pure enantiomer have a lower melting point range than the racemic mixture?
A 11.6-g sample of CaCl2 is dissolved in 139 g of water, with both substances at 25.0°C. Calculate the final temperature of the solution assuming no heat lost to the surroundings and assuming the solution has a specific heat capacity of 4.18 J/°C ..
The molecular formula of glycine (an amino acid) is NH2CH2COOH, the molecular mass is 75.07grams/mole. If 10 glycines are joined together by a dehydration reaction to make a polypeptide, what would the molecular mass of the polypeptide equal.
Determine the pH of a solution that is 1.80% NaOH by mass. Assume that the solution has density of 1.01 g/ml.
A titration of 200.0 mL of 1.00 M H2A was done with 1.28 M NaOH. For the diprotic acid H2A, ka1 = 2.5 x 10^-5 and ka2 = 3.1 x 10^-9.
The volume of a gas is 2.50 L, measured at 1.00 atm. What is the pressure of the gas in mmHg if the volume is changed to 9.41 L
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