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The molecular weight of anhydrous calcium chloride is 110.99. How many grams do you need for 100 ml of 50 mM calcium chloride? Hydrogen peroxide is supplied in a 30% solution. If your protocol calls for using a 0.1% solution, how would you make 20mL?
A 2.00 g sample of ammonia is mixed with 4.00 g of oxygen. Which is the limiting reactant and how much excess reactant remains after the reaction has stopped
Which one of the following pairs of acids and conjugate bases is incorrectly labeled or incorrectly matched?
An important space shuttle mission has been interrupted with an emergency that will delay the return of the crew to earth indefinitely. You are an emergency team that has been assigned the task of determining how long the crew can survive before c..
Calculate the pH of each of the following buffered solutions. to 1.00 L of each of the four solutions. (a) 0.100 M propanoic acid (HC3H5O2, Ka= 1.3 10-5) (b) 0.100 M sodium propanoate (NaC3H5O2)
The solubility of the ionic compound M2X3, having a molar mass of 205 g/mol, is 3.16 10-7 g/L. Calculate the Ksp of the compound.
66.0 mL of a 1.60 M solution is diluted to a volume of 288 mL. A 144-mL portion of that solution is diluted using 163 mL of water. What is the final concentration.
A batch of 5 kg of food product has a moisture content of 150% dry basis. Calculate how much water must be removed from this product to reduce its moisture content to 20% wet basis
What is the buffer strength (ie the total of Ha and A). The concentration of weak base in the buffer on 0.126 M The concentration of weak acid in the buffer is 0.04906
which one of the following cell combinations would best be used to set up a cell with a potential of 0.50v by
of 2.60 cm^2.if solar radition is 1150 W/m^2, how many photons strike the leaf every second.
How much magnesium chloride would you have to purchase to make up 10.0 L of bath water saturated with magnesium chloride
a student placed 14.5 g of glucose rm c6h12o6 in a volumetric flask added enough water to dissolve the glucose by
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