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If you want to make 250 ml .100 M calcium chloride solution, how many grams of CaCl2 will you need?
Balance the equation using the smallest possible integers. Also determine the sum of the coefficients of the reactants?
The Ksp for PbBr2 = 8.9 x 10^-6. Calculate the molar solubility of this compound on a .20M Pb(NO3)2.
Garlic smell is easily noticable due to the compound that is responsible for this is Allicin , when we analysed this compaound and find out molecular formula of molar mass= 486 grams
A buffer solution containing 0.25 M Acetic acid and 0.56 m Sodium acetate. After addition of 0.0060 mol HCL what is Ph of buffer.
Determine what is the total mass of glucose in 5.10L of blood If a person has a glucos level of 108 mg.100mL, ? express your answer in grams?
Determine the partial pressure of oxygen O2 If the total pres- sure =80 torr, the partial pressure of CO=330 torr and the CO2 has a partial pressure = 330 torr?
The volume of a gas sample is 650. mL at STP. What volume will the sample occupy at 25.0°C and 950. torr pressure.
Assume that a waste contains 395.0 mg/L of biodegradable CH2O and is processed through a 190000.0 L/day sewage treatment plant which converts 40% of the waste to CO2 and H2O.
What is the pH of the solution when 50 grams of Ca(OH)2 was added to 1 liter of water? Ksp of Ca(OH)2 = 6.5 x 10^-6
How you will protect an underground pipe line from corrosion and what are biodegradable polymers or what are conducting polymers
What is the mass of one mole of the gas when the density of a gas is 0.0151 g/mL at 150 degrees Celsius and 1.50 atmospheres?
How many mL of 0.220 M of NaOH are needed to completely hydrolyze 2.40 grams of propyl acetate.
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