Logo
Home Study Material Contact Search
AI Chat FREE
  1. sciences
  2. chemistry
  3. suppose that 200.0ml of a 0.1220 m hcl solution wa

Suppose that 200.0mL of a 0.1220 M HCL solution was added to a full antacid tabet...

Free

90.2K

Verified Solution

Question

Chemistry

Suppose that 200.0mL of a 0.1220 M HCL solution was added to afull antacid tabet containing CaCO3. The HCl fully reacted with theCO3^2- and the excess HCL was then back titrated with a 0.1050 MNaOH solution. The back titratin required 32.20 mL based on thisdata, calculate the moles of CaCO3 in the balet and the weight ofCaCo3 IN THE TABLET (the molecular weight of CaCO3 is 100.09g/mol)

What would these calculations look like?

Answer & Explanation Solved by verified expert
3.8 Ratings (585 Votes)

initial moles of HCl = 200 x 0.1220 / 1000 = 0.0244

moles of NaOH = 0.1050 x 32.20 / 1000 = 3.38 x 10^-3

moles of HCl = moles of NaOH

so moles of HCl excess reacted with NaOH = 3.38 x 10^-3

moles of HCl reacted with antacid = 0.0244 - 3.38 x 10^-3 = 0.02102

CaCO3 + 2HCl -------------------> CaCl2 + H2O + CO2

1                 2

x               0.02102

moles of CaCO3 = 0.02102 / 2 = 0.01051

moles of CaCO3 = 0.01051

mass of CaCO3 = moles x molar mass

                          = 0.01051 x 100.09

                           = 1.052 g

mass of CaCO3 =1.052 g
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Medical Sciences
1.2K views

what are types of inflamation

Electrical Engineering
1.2K views

The Scientific Working Group on Digital Evidence develops best practice and standard documents for digital forensics....

Physics
1.2K views

A 40 kg slab rests on a frictionless floor as shown in the figure A...

Basic Math
1.2K views

Given the function f(x) = 10log(x + 3), find the area of the region bound...

Statistics
1.2K views

Dr Fry is doing a research study in which he takes 12 year olds and...

Calculus
1.2K views

Find and sketch the domain of the function Do this on paper Your instructor may...

Calculus
1.2K views

4pts Fin d L is t E xplain the Leading Term End Behavior Number of...

Accounting
1.2K views

Assume a company had net income of $69,000 that included a gain on the sale...

Accounting
1.2K views

Si ha conciliado una cuenta anteriormente, necesita toda esta informacin excepto _____ para conciliar una...

Accounting
1.2K views

Accounting for Tax-Advantaged Investments Step 1: Identification of Tax-Advantaged Investments:...

Accounting
1.2K views

Graphic Company purchased 30% of the voting stock of Plainfield Company for $30,000 on January...

Accounting
1.2K views

Mabel brings in the following form to 99b what other important information do you need...