If $250 {c m}^{3}$ of an aqueous solution containing $0.73 g$ of a protein $A$ is isotonic with one litre of another aqueous solution containing $1.65 g$ of a protein $B$ , at $298 K$ , the ratio of the molecular masses $A$ of and $B$ is $\times 10^{- 2}$ (to the nearest integer).

3 Views | Posted a month ago

Asked by Shiksha User

1 Answer

Answered by

alok kumar singh | Contributor-Level 10

a month ago

For isotonic solution

$i_{1} C_{1} = i_{2} C_{2}$ ffor protein $i = 1\}$

$C_{1} = C_{2}$

$\frac{0.73 \times 1000}{M_{A} \times 250} = \frac{1.65}{M_{B} \times 1}$

$\frac{M_{A}}{M_{B}} = \frac{0.73 \times 4}{1.65} = 1.77 = 177 \times 10^{- 2}$

For isotonic solution <math> <msub> <mrow> <mrow> <mi mathvariant="normal">i</mi> </mrow> </mrow> <mrow> <mrow> <mn>1</mn> </mrow> </mrow> </msub> <msub> <mrow> <mrow> <mi mathvariant="normal">C</mi> </mrow> </mrow> <mrow> <mrow> <mn>1</mn> </mrow> </mrow> </msub> <mo>=</mo> <msub> <mrow> <mrow> <mi mathvariant="normal">i</mi> </mrow> </mrow> <mrow> <mrow> <mn>2</mn> </mrow> </mrow> </msub> <msub> <mrow> <mrow> <mi mathvariant="normal">C</mi> </mrow> </mrow> <mrow> <mrow> <mn>2</mn> </mrow> </mrow> </msub> <mrow> <mi mathvariant="normal"> </mi> </mrow> </math> ffor protein <math> <mfenced open="" close="}" separators="|"> <mrow> <mrow> <mi mathvariant="normal">i</mi> <mo>=</mo> <mn>1</mn> </mrow> </mrow> </mfenced> </math> <!- [endif]-><!- [endif]-> <math> <msub> <mrow> <mrow> <mi mathvariant="normal">C</mi> </mrow> </mrow> <mrow> <mrow> <mn>1</mn> </mrow> </mrow> </msub> <mo>=</mo> <msub> <mrow> <mrow> <mi mathvariant="normal">C</mi> </mrow> </mrow> <mrow> <mrow> <mn>2</mn> </mrow> </mrow> </msub> </math> <!- [endif]-><!- [endif]-> <math> <mfrac> <mrow> <mrow> <mn>0.73</mn> <mo>×</mo> <mn>1000</mn> </mrow> </mrow> <mrow> <mrow> <msub> <mrow> <mrow> <mi>M</mi> </mrow> </mrow> <mrow> <mrow> <mi>A</mi> </mrow> </mrow> </msub> <mo>×</mo> <mn>250</mn> </mrow> </mrow> </mfrac> <mo>=</mo> <mfrac> <mrow> <mrow> <mn>1.65</mn> </mrow> </mrow> <mrow> <mrow> <msub> <mrow> <mrow> <mi>M</mi> </mrow> </mrow> <mrow> <mrow> <mi>B</mi> </mrow> </mrow> </msub> <mo>×</mo> <mn>1</mn> </mrow> </mrow> </mfrac> </math> <!- [endif]-><!- [endif]-> <math> <mfrac> <mrow> <mrow> <msub> <mrow> <mrow> <mi mathvariant="normal">M</mi> </mrow> </mrow> <mrow> <mrow> <mi mathvariant="normal">A</mi> </mrow> </mrow> </msub> </mrow> </mrow> <mrow> <mrow> <msub> <mrow> <mrow> <mi mathvariant="normal">M</mi> </mrow> </mrow> <mrow> <mrow> <mi mathvariant="normal">B</mi> </mrow> </mrow> </msub> </mrow> </mrow> </mfrac> <mo>=</mo> <mfrac> <mrow> <mrow> <mn>0.73</mn> <mo>×</mo> <mn>4</mn> </mrow> </mrow> <mrow> <mrow> <mn>1.65</mn> </mrow> </mrow> </mfrac> <mo>=</mo> <mn>1.77</mn> <mo>=</mo> <mn>177</mn> <mo>×</mo> <msup> <mrow> <mrow> <mn>10</mn> </mrow> </mrow> <mrow> <mrow> <mo>-</mo> <mn>2</mn> </mrow> </mrow> </msup> </math> <!- [endif]-><!- [endif]->

0 Upvotes 0 Downvotes

Get authentic answers from experts, students and alumni that you won't find anywhere else

On Shiksha, get access to

65k Colleges
1.2k Exams
687k Reviews
1800k Answers

Community GuidelinesUser Points System

QuestionsDiscussionsTags

If $250 {c m}^{3}$ of an aqueous solution containing $0.73 g$ of a protein $A$ is isotonic with one litre of another aqueous solution containing $1.65 g$ of a protein $B$ , at $298 K$ , the ratio of the molecular masses $A$ of and $B$ is $\times 10^{- 2}$ (to the nearest integer).

1 Answer

Learn more about...

Most viewed information

Most viewed information

Share Your College Life Experience

Didn't find the answer you were looking for?

Need guidance on career and education? Ask our experts

Your Question

If 250 c m 3 of an aqueous solution containing 0.73 g of a protein A is isotonic with one litre of another aqueous solution containing 1.65 g of a protein B , at 298 K , the ratio of the molecular masses A of and B is × 10 - 2 (to the nearest integer).

1 Answer

Learn more about...

Most viewed information

Most viewed information

Share Your College Life Experience

Didn't find the answer you were looking for?

Need guidance on career and education? Ask our experts

Your Question

If $250 {c m}^{3}$ of an aqueous solution containing $0.73 g$ of a protein $A$ is isotonic with one litre of another aqueous solution containing $1.65 g$ of a protein $B$ , at $298 K$ , the ratio of the molecular masses $A$ of and $B$ is $\times 10^{- 2}$ (to the nearest integer).