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• a solution containing hcl and the weak acid hclo2 has a ph of 2.4. enough koh(aq) is added to the solution to increase the ph to 10.5. the amount of which of the following species increases as the koh(aq) is added?
  
• solve the system by substitution. x, equals, minus, y, minus, 5 x= −y−5 minus, 3, x, plus, 7, y, equals, minus, 45 −3x+7y= −45
  
• draw the structure for 1-nitrobutane, making sure to add all non-zero formal charges.
  
• how did haudenosaunee women participate in government? choose three correct answers. they ran great council meetings. they could overrule council decisions. they picked members of the great council. they could remove any great council leaders. they kept a record of all laws passed by the council.
  
• darnel drew a scale drawing of a swimming pool. the scale he used was 14 centimeters : 5 meters. if the actual width of the pool is 10 meters, how wide is the pool in the drawing? centimeters
  
• from the esophagus to the anus, the walls of the alimentary canal have the same four basic tunics. the __________ is the outermost layer of the walls of the intraperitoneal organs.
  
• a cell phone uses a 3.0 v battery. the circuit board it uses needs a 0.05 a current. what size resistor is needed to generate this current? ω
  
• which system of linear inequalities is represented by the graph y x-2 and x-2y 4
  
• supplement connect is usada’s resource focusing on dietary supplement education. as your athletes and you search for answers to questions about dietary supplements, what information is not on the website?
  
• y = –6x+2 –12x – 2y = –4 how many solutions does this linear system have? one solution: (0, 0) one solution: (1, –4) no solution infinite number of solutions