Calculate the molar mass of each of the following compounds:(a) Calcium carbonate, CaCO3 (b) Urea, CO1NH222 (c) Ethane-1,2-diol, C2H6O2
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Calculate the molar mass of each of the following compounds:
(a) Calcium carbonate, CaCO3 (b) Urea, CO1NH222 (c) Ethane-1,2-
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- Creatinine, C4H7N3O, is a by-product of muscle metabolism, and creatinine levels in the body are known to be a fairly reliable indicator of kidney function. The normal level of creatinine in the blood for adults is approximately 1.0 mg per deciliter (dL) of blood. If the density of blood is 1.025 g/mL, calculate the molarity of a normal creatinine level in a 10.0 mL blood sample.40.00 mL of 0.1100 M HCl is diluted to 100 mL with H2O and titrated with 0.1M NaOH. Calculate the pH after addition of the following volumes(mL) of titrant. d) 40.00 e) 43.95 f) 44.00 g) 44.05 h) 50.00. Plot the titration curve. Select an indicator from the table found in your book.Carbon dioxide is dissolved in blood (pH 7.4) to form a mixture of carbonicacid and bicarbonate. Neglecting free CO2, what fraction will be present as carbonic acid? Would you expect a significant amount of carbonate (CO32-)?
- For each of the following reactions, give a balanced net-ionic equation. Sulfate Ion a) MgSO4 + H2SO4 b) MgSO4 + BaCl2 Sulfite Ion a) Na2SO3 + H2SO4 b) Na2SO3 + BaCl2 c) BaSO3 + HNO3 Iodide Ion a) NaI + NaOCl b) NaI + AgNO3 c) AgI + NH3 d) NaI + H2SO4Calculate the hydrogen ion concentration, [H+], for each of the following materials: (a) Blood plasma, pH 7.4 (b) Orange juice, pH 3.5 (c) Human urine, pH 6.2 (d) Household ammonia, pH 11.5 (e) Gastric juice, pH 1.8Draw all possible carboxylic acids with the formula C5H10O2.