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Problem- Calculate the pH of a solution that is 2.00 M HF, 1.00 M NaOH and 0.690 M NaF Ka of HF=6.8 x 10^-4
I want you to elucidate the chemistry in this above problem.
Determine how many moles of CO 2 would have to be combined at constant temperature and volume to increase the amount of CO to 0.300 moles?
antimony is alloyed with lead to increase the rigidity ofcomponents used in the construction of lead storage
What concentration of monobasic and dibasic sodium phosphate should be used to get pH 7.4
If 43.2 ml of 0.105 M KMnO4 were required to reach the endpoint of a 14.8g bleach sample, what was the perrcentage of H2O2 in the sample?
An element has two common isotopes. 98.89% of its atoms have an atomic mass of 12.09 amu, whereas the other 1.11% have an atomic mass of 13.10 amu. Using the isotopic composition provided, calculate the average atomic mass of the element.
how would your calculated value for the molecular weight of your unknown been affected high low no effect if a small
Define dipole moment. Distinguish between polar and nonpolar bonds.Give an example of each
A 20.0-mL sample of 0.200 M HBr solution is titrated with 0.200 M NaOH solution. Calculate the pH of the solution after the following volumes of base have been added.
When 3.00 mol of benzene is vaporized at a constant pressure of 1.00 atm and at its normal boiling point of 80.1 degreesC, 101.8 kJ are absorbed and the P(delta)V for the vaporization process is equal to 8.70 kJ then
Find the mass in grams of PbCl2 in the products. In a test tube you have 1.0 mL of 0.10 M of NaCl mixed with 1.0 mL of 0.10M of NaCl. 2 NaCl + Pb(NO3)2 --> PbCl2 + 2 NaNO3
Find the molality of the solution prepared by dissolving 0.238 g camphor , C10H16O , in 15.5 g cyclohexane.
H2S and H2O have similar structures and thier central atoms belong to the same group. Yet H2S is a gas at room temperature and H2O is a liquid. Use bonding principles to explai why this is. What is the difference between H2O and H2S
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