Determine the numbers of milliliters of naoh are needed
Determine the numbers of milliliters of 0.0620M NaOH are needed to titrate each of the following solutions to the equivalence point?
1. 35.0 mL of0.0600 M HNO3
2. 20.0 mL of 0.0800 M HBr
Expected delivery within 24 Hours
Determine the pH of a buffer that is 0.18 M in sodium lactate and 0.30 M in lactic acid. Determine the pH of a buffer formed by mixing 60. mL of 0.11M lactic acid with 88 mL of 0.26 M sodium lactate.
The manufacturer of the patent medicine claimed that it was 90% effectice in relieving an allgery for a period of 8 hours. In a sample of 200 people who had the allergy, the medicine provided relief for 170 people. Determine if the manufacturer's
A buffer solution which is having 0.19 mol of sodium acetate and 0.19 mol of acetic acid in the 1.90 L. Determine the pH of this buffer? Determine the pH of the buffer after the addition of 0.09 mol of KOH?
Assume the correlation coefficient between the SAT verbal score and IQ is r=+.50. What z score on the SAT verbal test do you predict for someone whose z score on IQ is (a) +3.00? (b) -2.00? (c) 0.00? (d) -1.00? (e) +1.00? and (f) -0.50?
Employ a significance level of a=0.01 to test the claim that µ > 2.85. The sample data includes nine scores for which (bar) X=3.1 and s=0.52.
If we inject 120.0 mL of liquid helium and allow the entire system to warm to room temperature (25 °C), determine the pressure inside the bottle?
Discuss how would your measured percent the NaHCO3 change from the correct value if your final product after heating was not totally dry? Also given the following equations
Find out the five compounds of N, H and O described below. For each compound write a Lewis structure that is consistent with the information given.
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