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Why do you not need to accurately measure the volume of deionized water in which you dissolve the iron salt?
Write a chemical reaction equation that shows what happens when HNO3 is added to MnCO3. Remember to include the physical state symbols.
Which of the following is not an intermolecular force? A. London dispersion forces B. hydrogen bonding C. dipole-dipole forces D. ionic bonding
what is the experimental value of Avogadro's number. dropper pipet calibration= 68 drops/ml number of drops of oleic acid in the monolayer=16 drops diameter of monolayer = 15.0 cm
For the reaction 2 HCl + Na2CO3 → 2 NaCl + H2O + CO2 what volume of 0.45 M HCl solution would be needed to produce 2.5 L of CO2 at STP
a sample of propane c3h8 is placed in a closedvessel together with an amount of o2 that is 3.00 times the amount needed
A reactor contains a material that decays at a 0th order date of 0.20mg/L/day at 20 C. If the initial concentration of the material is 100mg/L, how long will it take for the concentration to be reduced to a) 50mg/L, b) 10mg/L, c) 1mg/L
recovering and reusing organic solvents rather than discharging them into a waste stream is an important part of the
how do you calculate the H+ in the following solution: [OH-] = 3.44 x 10-1 - need the steps please.
Hydrchloric acid is usually purchased in a concentrated form that is 37.0% HCL by mass and has a density of 1.20g/ml. How much concentrated solution would you take to prepare 2.85L of 0.410M HCl by mixing with water
what steps are needed to prepare phenylacetylene from C6H5CH2CH2Br I chose the following reagents 1. H2SO4, 2. Br2, 3. NaNH2/excess (were correct) and simply require to draw the intermediate
What are the equilibrium concentrations of NH2OH (hydroxylamine), NH3OH+, and OH- in a 0.15 M solution of hydroxylamine (Kb=6.6*10^-9)? What is the pH of the solution
HClO is a weak acid (Ka = 4.0 × 10-8) and so the salt NaClO acts as a weak base. What is the pH of a solution that is 0.031 M in NaClO
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