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Question: If a total of 13.5 mol of NaHCO3 & 4.5 mol of C6H8O7 react, how many moles of CO2 & Na3C6H5O7 will be produced?
What volume of NaOH was delivered to reach the midpoint in this titration. At the midpoint the pH is measured at 4.75, what is the Ka for the weak acid
Question- The relative sweetness of sucralose is 60000. The relative sweetness of sugar is 100. How many grams of sucralose would you need for a solution that has the same sweetness as one made of 2.00g of sugar?
If the anhydrous compound (AC) in the preceeding problem has a molar mass of 160g/mol, what are the water crystallization (X) and formula for the hydrate
The Kingston Steam Plant burns 14,000 tons of coal each day and generates 1010 kilowatts-hours of electricity each year (enough for 700,000 homes). Coal is primarily carbon which undergoes combustion in the following reaction
Identify these two isomers.
A sample that has the formula MgCl2.6H2O loses a portion of water when it is dried in an oven but undergoes no other changes. If the student started with 10.000 g of the compound, and ends with a residue that weighs 7.342 g whats the formula of th..
Silver chloride, often used in silver plating, contains 75.27% . what is the mass of silver chloride required to plate 285 of pure silver
A gas occupies a volume of 480 mL at 127 degrees celsius and 148 mmHg. What mathematical expresssion will yield the correct volume at 177 degrees celsius and 400mgHg?
The reaction x = Y is first -order overall and first-order with respect to the reactant x. The result of doubling the initial concentration of X will be to
Ammonia is, of course, a base, and S2- is the anion of the weak diprotic acid, H2S. Find the molar solubility of zinc sulfide in: a) pH 9.00 ammonia/ammonium ion buffer with a total NH3/NH4+ concentration of 0.100 M b) The same solution as a but i..
A sample of magnesium wieghs 26.1 mg. How many moles of magnesium are there in the sample? Calculate the mass of one mole of the ionic compound that forms from strontium an dbromine.
If the ratio [HbCO]/[HbO2] coms close to 1, death will happen. Explain what partial pressure of CO is fatal. Presume the partial pressure if O2 is 0.20atm
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