a 20.0ml sample of HCL solution is placed in a flask with a few drops of indicator. If 30.0ml of a 0.240 M NaOH solution is needed to reach the endpoint, what is the molarity of the HCL solution?
intensive for #20
Determine the hydronium ion concentration in a solution that is 0.00018 M Ca(OH)2. Answer in units of M
5th Grade Math
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his expression showed how highly he valued his own opinions and scored the view of the others. smug?
The first sample had 49 subjects and 7 had blue eyes. The second sample had 465 subjects and 244 of these had blue eyes. What is the value of the pooled estimate of the proportion used to test the hypothesis that the population proportions of blue eyes are equal?
Express the concentration of a 2.0 M NaOH solution as a mass/volume percent. Can you please explain how to get the answer?
What volume of water should be added to 500 mL of a 1.0 mol/L CuSO4 solution to dilute it to 0.5 mol/L?
How did you get that answer?
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