Determine the concentration of borax solution
If borax solution takes 0.76mL of 3M H2SO4 to neutralize a 10mLsample of Borax, Determine the concentration of borax solution (mol/L).
2Na++ 2B(OH)4-+H2SO4--->2B(OH)3+2Na++SO42-+2H2O
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When volume does the mixture contain now? At 60C when the percent relative humidity is defined as %RH=PH2O/P* H2O where the P H2Ois the partial pressure of water in sample and the P*H2O=0.197 atm is the equilibrium vapor pressure of water.
Light falls on a pair of slits which is .00204 cm apart. The slits are 91.4 cm from the screen. The first-order bright line is 1.98 cm from the central bright line. Determine the wavelength of the light? Answer must be in units of nm.
The spherical weather balloon is filled with hydrogen till its radius is 3.00 m. Its total mass comprising the instruments it carries is 13.0 kg. (i) Determine the buoyant force acting on the balloon, supposing the density of air is 1.29 kg/m3.
The rectangular field has the length 10 feet more than it is width. If area of field is 264, find dimensions of rectangular field?
At the lower point the pressure is around 1.67 x 105 Pa and the pipe radius is 2.70 cm. At the other point 2.50 m higher, the pressure is 1.33 x105 Pa and the pipe radius is 1.30 cm. (i) Determine the speed of flow in the lower section.
A cylindrical rod produced from silicon (having the density 2.33 g/cm3) is 16.8 cm long and has a mass of 21.7 kg. Calculate the diameter of the cylinder?
If we wished to build a "tank circuit" where electric charge initially stored on a capacitor flows via the inductor and then back again, determine what value of inductance must we place in series with a fully-charged 100 uF capacitor to obtain the
Julius Caesar expired, Julius Caesars exhalation had a volume of 500cm3 and contained 1 mole percent argon when the Julius Caesar. Suppose that P=1 atm and the T=300 K at the location of his demise.
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