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Problem- How could I differentiate between Acetic Acid 99.9% and .1 M Acetic Acid based on electrical conductivity?
What is the molar mass of the following: a) O2, b) KH2PO4, c) Fe(ClO4)3, d) C4H8O4, e)Ga2(CO3)3, f) KBrO4. Please use significant figures.
Comparing potassium nitrate (KNO3) and sodium chloride (NaCl), which chemical's solubility (in water) is most affected by change in temperature.
An unknown compound has the empirical formula CH2. A 0.050-mol sample of this compound weighs 4.20 g. What is the molecular formula of this compound?
If propyl amine was dissolved in ether along with biphenyl, what is the best way to separate the compounds
Erythrocytes phosphorylate glucose to glucose 6-phosphate with the help of the enzyme hexokinase instead of glucokinase. Hexokinase has a Km = 0.055 mM. How low would the blood glucose concentration have to fall to decrease the rate of glucose pho..
A compound has a molar mass of 110.1g/mol and a composition of 65.45%C, 5.45% H, and 29.09% O. Calculate the molecular formula of this compound.
What is the pH of a solution prepared by mixing 25.00 mL of 0.10 M methylamine, CH3NH2, with 25.00 mL of 0.10 M methylammonium chloride, CH3NH3Cl.
Over a wide temperature range, the reaction, M2O3(s) + C(s) ® M(s) + CO2(g), is spontaneous at low temperatures but non-spontaneous at high temperatures.
25.0 ml of 0.212 M NaOH ia neutralized by 13.6 ml of an HCl solution. The molarity of the NAOH solution is?
explain how the designed sensing strategy functions. Point form answers are acceptable, feel free to use a diagram in your explanation.
Presume that you have a solution of AsCl3 with a concentration of 1*10^-8 M. Presume the density of the solution is 1.00g/mL. The molar mass of AsCl3 is 181.28g. Convert this concentration to ppb on a mass to mass basis.
20 ml Calcium Hydroxide solution was titrated with 9.8 ml 0.0105 M HCl in according to reaction: Ca(OH)2 + 2HCl ? CaCl2 + 2H2O The true value of solubility product constant (Ksp) of Ca(OH)2 at 25 C is 1.3x10-6. What is molar solubility of Ca(OH)2 in ..
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