Statistics
Suppose that the travel time from your home to your office is normally distributed with a mean of 40 minutes and standard deviation of 7 minutes. If you want to be 95% certain that you will not be late for an office appointment at 1:00pm, what is the latest time that you shoul...
chemistry
So i found the solubility to be x=0.001296, is this the concentration of I^-? can i multiply this by 30mL to get my moles?
chemistry
how can i calculate the solubility with the information given ? in class we use concentrations to find solubility
chemistry
A 30.00mL sample of a clear saturated solution of PbI2 requires 14.7mL of a certain AgNO3 for its titration. I^-(saturated PbI2)+Ag^+(from AgNO3)--> AgI(s) What is the molarity of this AgNO3? I'm not really sure where to start.
chemistry
A mixture formed by adding 55.0 mL of a 1.5x10^-2 M HCl to 140 mL of 1.0x10^-2 M HI. How do you calculate the pH for this problem?
Chemistry
Ba(OH)2(aq)+2CH3COOH(aq)=Ba(CH3COO)2(aq)+2(l)H2O what is the net ionic equation with phases?
Math
1.2mi.
math
Ms.Sue,is the ans 3?
math
4 1/5 divided 1 2/5 21/5 x 7/5 = ?
Math
thanks, I am stuck on this one 4 1/5 divided 1 2/5 21/5 x 7/5 =
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