Maryjane

This page lists questions and answers that were posted by visitors named Maryjane.

Questions

The following questions were asked by visitors named Maryjane.

The approximate concentration of hydrochloric acid. HCL in the stomach (stomach acid) is 0.17M. Calculate the mass of the following antacids required to neutralize 50cm3 of the acid. (a) bicarbonate of soda. NaHCO3 (b) Aluminum hydroxide Al (OH)3

calculate the weight of aspirin in mg per tablet using the following equations: weight of aspirin=MnaoHXvnaoHXmolar mass of aspirin urgent answer pls...

calculate the weight of aspirin in mg per tablet using the following equations: weight of aspirin = MnaoHXvnaoHXmolar mass of aspirin

What materials did you use to separate the nails from the salt?

what operation does x + 5 involve?

Answers

The following answers were posted by visitors named Maryjane.

I'm so sorry, I mistakenly logout without pressing the notification button. pls have mercy

Grams NaHCO3 = mols X molar mass = i.e 756.05949 X 84.0066 = 63,513.53gmol For Al(OH)3= mols X molarmass = 702.03202 X 78.01 = 54,765.52 pls help me cross-check

weight of aspirin = 75mg and 81mg tablet molar mass of aspirin = 180gmol that's the value given

You are right. The volume of the NaOH = 10.33cm3 concentration of the NaOH = 100cm3

Don't mind me. I actually converted 0.0085 to gram. Thanks a lot for attending to my questions. may the Almighty bless abundantly.