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If the recommended daily allowance of 1669 mg of potassium is supplied as potassium chloride, how many grams of potassium chloride should be consumed daily? (Report your answer to the nearest 0.1 g)
Given the quantities of chemicals used in this recipe
Problem- Balance the following oxidation-reduction reaction in basic solution. Your work should include two balanced half-reactions. The equation that needs to be balanced is: I2 (s) -> I- (aq) + IO3-(aq)
The resulting W3 was transferred to 500.0 mL of 1.00 M HCl. A 100.00 mL aliquot of the HCl solution required 13.29 mL of 0.08146 M potassium permanganate (KMnO4) to reach the purple endpoint. A blank required 0.28 mL. Balance the reaction below an..
Oxygen gas is collected by water displacement from the reaction of sodium peroxide and water. The oxygen gas displaces 318 ml of water at 23 degrees C and 1 atm. What is the pressure of the dry oxygen gas?
a 4.10 g nugget of pure gold absorbed 278 j of heat. what was the final temperature of the gold if the initial
The carbonyl peak of benzaldehyde appears as a very strong and intense peak at 1703 cm -1. Normally the carbonyl peak of an aldehyde appears at 1725 cm -1. Why does the carbonyl peak of benzaldehyde appear at a lower frequency
A 1.00 L buffer solution is 0.250 M in HA and 0.250 M in KA. Calculate the pH of the solution after the addition of 100.0 mL of 1.00 M HCl. The Ka for HA is 3.5x10-4.
Calculate the reaction's rate constant (k) at this temperature. Calculate the reaction's half-life (t1/2) at this temperature
some hypothetical reactions are given as 2 a2dg ---gt 2 a2g d2gnbsp a2b3g ---gt 2 ag 3 bgnbsp ag b2g ---gt ab2g 5 bg
A compound used to treat manic depressives has the formula Li2CO3. Which of the following is the correct name for this compound
Question- Draw the structure of the major organic product you would expect from the reaction of 1-bromopropane with NaCN.
if you prepare a 1.00 nh4clo4 solution of beginning with water at 21.5 what is the final temperature of the solution in
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