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  2. 1 day ago · Many biological molecules are also acids or bases, though their structures may be more complex and difficult to identify at first. The purines and pyrimidines in DNA are bases, while dietary fats are acids. The strength of an acid or base depends on its ability to ionize. Strong acids and bases dissociate completely.

  3. 4 days ago · Hydrochloric acid meets analytical specification of Ph. Eur., BP, NF, fuming, 36.5-38%; CAS Number: 7647-01-0; EC Number: 231-595-7; find Sigma-Aldrich-07102 MSDS, related peer-reviewed papers, technical documents, similar products & more at Sigma-Aldrich.

  4. 4 days ago · Commercially available concentrated hydrochloric acid contains 38% HCl by mass. (i) What is the molarity of the solution (density of solution = 1.19 $ gm{{L}^{-1}}$)? (ii) What volume of concentrated HCl is required to make 1.0L of a 0.10M HCl?

  5. 2 days ago · Among them, HCl is the most frequently utilized acid, typically found at concentrations ranging from 5 % to 28 % [12]. In the process of eliminating carbonated minerals and iron oxide scales from oil and gas wells, it is customary to utilize a solution containing 15 % hydrochloric acid at a temperature of 60 °C [13].

  6. 2 days ago · To elucidate the effect of hydrochloric acid, bulk electrodepositions were conducted using electrolytes with varying chloride ions feed concentrations (0, 6.9, 13.8, 34.4, and 68.7 mg L −1) under conditions G through K, as outlined in Table 1. The corresponding prepared samples were denoted as CP-blank, CP-6.9Cl, CP-13.8Cl, CP-34.4Cl and CP ...

  7. 3 days ago · calcium carbonate hydrochloric acid A balance burette B balance thermometer C pipette burette D pipette thermometer 13 A student tries to find the density of a metal block. First, he measures the weight with a force meter (spring balance). Next, he measures the sides of the block using a ruler, to calculate the volume of the block. Finally, he ...

  8. 4 days ago · A strong acid made by the stomach to kill bacteria on the foods you eat and helps the other digestive chemicals work.

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