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Questions in chemistry

[Sagot para sa’yo] Calculate the pH of a solution which contains 30 mL of acetic acid and 10 mL of 0.1M NaOH. Twenty mL of salt was formed and 10 mL of un- neutralized acid remains. The ratio of salt to acid is 10:20. The Ka for acetic acid is 1.26 x 10^-5.

[Sagot para sa’yo] Aspirin is made by the reaction of salicylic acid with acetic anhydride. How many grams of aspirin are produced if 85.0 g of salicylic acid is treated with excess acetic anhydride

[Sagot para sa’yo] 4. How is a chemical equation is balanced? a. changing subscripts b. erasing elements as necessary c. adding coefficients d. adding elements as necessary

[Sagot para sa’yo] Corondum, the 9th hardestmineral, contains 52.94%Al and 47.06% O. Basedon this composition, whatis the empirical formula ofthe compound?​

[Sagot para sa’yo] how to balance chemical equation CaCO3+ H3PO4 -> Ca3(PO4)+ CO2+ H2O​

[Sagot para sa’yo] what can you observe in putting acid on cotton

[Sagot para sa’yo] what the example of this Describe the group of people that you chose.who are they?what do they do?where did they come form?what do you know about them?​

[Sagot para sa’yo] what can you Observe after the addition of the solution conc. H2SO4 in wood

[Sagot para sa’yo] Create 8 compunds using the elements Li, Na, Mg, K, Ca, O, F, S, CI, Br. Include the following: Cation, Anion, Compund name, and Chemical Formula.​

[Sagot para sa’yo] Anong tawag ng mula liquid ay naging solid