Define a buffer is prepared by combining

Reference no: EM13244422

a buffer is prepared by combining 10.0 g of NaH2PO4 with 150 mL of 0.20 M NaOH and diluting to 2.0 L. what is the pH of the buffer? (Ka (H2PO4-)= 6.2 x 10^-8)

Reference no: EM13244422

Questions Cloud

Find the individual masses : Two objects attract each other gravitationally with a force of 2.5 * 10^-10N when they are .25m apart. There total mass is 5.00kg. Find their individual masses

Compute the ph of a buffer that contains the concentration : Using the Ka values, calculate the pH of a buffer that contains the given concentrations of a weak acid and its conjugate bases. [1]. 0.86 M NaH2PO4 and 0.63 M Na2HPO4 [2] 0.60 M NaHCO3 and 0.72 M Na2CO3

What are the effects on the exchange rate in pound and yen : Using demand and supply analysis to assistyou, what are the effects on the exchange rate between the British pound and the Japanese yen from: a decrease in Japaneseinterest rates.

What is the current in the loop : The magnetic field at the center of a 1.0-cm-diameter loop is 4.5 mT, What is the current in the loop, At what distance from the wire is the magnetic field 4.5 mT

Define a buffer is prepared by combining : a buffer is prepared by combining 10.0 g of NaH2PO4 with 150 mL of 0.20 M NaOH and diluting to 2.0 L. what is the pH of the buffer? (Ka (H2PO4-)= 6.2 x 10^-8)

How many stars would there be in our galaxy : The Sun revolves around the center of the Milky Way Galaxy at a distance of about 30,000 light-years from the center, how many stars would there be in our Galaxy

Explain what is the ph of an aqueous solution composed : what is the pH of an aqueous solution composed of 0.64 M NH4+ and 0.20 M NH3? (Ka of NH4+= 5.6 x 10^-10)

Motivated king leopold to seek ownership of the congo region : Whats factors motivated king leopold to seek ownership of the congo region?

Find the speed and direction of a proton : find the speed and direction of a proton passing through the origin and where the magnetic fields are: B1=1.0x10^-13 (j hat) T at (x,y,z)= (1,0,0) in mm, B2= -1x10^-13 (i hat) at (0,1,0) in mm

User Account

All Pages