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If Formic acid (HCO2H, Ka = 1.8 × 10-4) is the principal component in the venom of stinging ants. Define what is the molarity of a formic acid solution if 25.00 mL of the formic acid solution want 49.80 mL of 0.0567 M NaOH to reach the equivalence point?
calculate the moles of calcium carbonate present in a 25.00 ml sample of standard assuming the standard is known to
What is the pH of a solution formed by mixing 125.0 mL of a .0250 M HCL and 75.0 mL of a .0500 M NaOH
for a particular reaction deltahdeg is 20.1 kj and deltas is 45.9 jk. assuming these values change very little with
Calculate the amount of heat transferred when 2.5 g of Mg(s) reacts at constant pressure. Express your answer using two significant figures
A chemical reaction occurs and absorbs 1720 J. How many calories is this? Is it an exothermic or endothermic reaction
Sodium Chloride (NaCl), Please express answer in grams and breakdown of how answer was derived
If everyone in the world (population 7 x 10^9) wanted to heat up the water for a 20oz cup of coffee (from 20deg C to 95deg C) using natural gas, how many Kg of CO2 would be produced
What is the final temperature of the solution. The heat capacity of the solution is 4.18 J/g *C. Assume that the density of the solution is 1.00g/ml.
What is the pH of a buffer that consists of 0.45 M CH3COOH and 0.35 M CH3COONa? Ka = 1.8 × 10-5
Which is the correct arrangement of types of radiation when ordered in decreasing energy per photon. a. Radio waves, microwave radiation, ultraviolet light, X-rays
A soln was prepeared by dissolving 5.6 g of non electrolyte substannce in 45 g of water. the freezing point depression was .8 C. what is the molecular weight of this substance
Find emperical formula 0.25 mal of Iron atoms combined with 0.33 mal of O atoms. Find emperical formula
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