English

Solve the following problem: Write the following number in ordinary decimal form: 5.00858585 - Chemistry

Advertisements
Advertisements

Question

Solve the following problem:

Write the following number in ordinary decimal form:

5.00858585

One Line Answer
Advertisements

Solution

5.00858585 = 5.00858585

shaalaa.com
  Is there an error in this question or solution?
Chapter 2: Introduction to Analytical Chemistry - Exercises [Page 25]

APPEARS IN

Balbharati Chemistry [English] Standard 11 Maharashtra State Board
Chapter 2 Introduction to Analytical Chemistry
Exercises | Q 4. (O)(h) | Page 25

RELATED QUESTIONS

Calculate the amount of carbon dioxide that could be produced when 1 mole of carbon is burnt in 16 g of dioxygen.


What is the concentration of sugar (C12H22O11) in mol L–1 if its 20 g are dissolved in enough water to make a final volume up to 2 L?


If the density of methanol is 0.793 kg L–1, what is its volume needed for making 2.5 L of its 0.25 M solution?


A sample of drinking water was found to be severely contaminated with chloroform, CHCl3, supposed to be carcinogenic in nature. The level of contamination was 15 ppm (by mass).

  1. Express this in percent by mass.
  2. Determine the molality of chloroform in the water sample.

Calculate the molarity of a solution of ethanol in water in which the mole fraction of ethanol is 0.040 (assume the density of water to be one).


To make a saturated solution, 36 g of sodium chloride is dissolved in 100 g of water at 293 K. Find its concentration at this temperature.


Why does the molarity of a solution depend upon temperature?


Solve the following problem:

Find out the molar mass of the following compounds:

Sodium carbonate, decahydrate (Na2CO3.10H2O)

(At. mass: Cu = 63.5; S = 32; O = 16; H = 1; Na = 23; C = 12; Fe = 56; N = 14)


Solve the following problem:

Find out the molar mass of the following compounds:

Mohr’s salt [FeSO4(NH4)2SO4.6H2O]

(At. mass: Cu = 63.5; S = 32; O = 16; H = 1; Na = 23; C = 12; Fe = 56; N = 14)


Solve the following problem:

Write the following number in ordinary decimal form:

3.75 × 10−1


Solve the following problem:

Write the following number in ordinary decimal form:

5.16 × 104


Solve the following problem:

Write the following number in ordinary decimal form:

43.71 × 10−4


Solve the following problem:

Write the following number in ordinary decimal form:

14.3 × 10−2


Solve the following problem:

Perform the following calculation. Round off your answer to two digits.

`(1.4xx10^9)/((2.77xx10^3)(3.76xx10^5))`


Perform each of the following calculations. Round off your answers to three digits.

(3.26104) (1.54106)


Solve the following problem:

Perform the following calculation. Round off your answer to three digits.

`((9.28xx10^9)(9.9xx10^-7))/((511)(2.98xx10^-6))`


Name the process associated with the following

A drop of ink placed on the surface of water contained in a glass spreads throughout the water.


What are the favourable qualities given to gold when it is alloyed with copper or silver for the purpose of making ornaments?


Give an example of each mixture having the following characteristics. Suggest a suitable method to separate the components of this mixture

Two immiscible liquids.


When light is passed through water containing a few drops of milk, it shows a bluish tinge. This is due to the ______ of light by milk and the phenomenon is called ______. This indicates that milk is a ______ solution.


A child wanted to separate the mixture of dyes constituting a sample of ink. He marked a line by the ink on the filter paper and placed the filter paper in a glass containing water as shown in Fig.2.3. The filter paper was removed when the water moved near the top of the filter paper.

(i) What would you expect to see, if the ink contains three different coloured components?

(ii) Name the technique used by the child.

(iii) Suggest one more application of this technique.


What is the difference between molality and molarity?


If 4 g of \[\ce{NaOH}\] dissolves in 36 g of \[\ce{H2O}\], calculate the mole fraction of each component in the solution. Also, determine the molarity of solution (specific gravity of solution is 1g mL–1).


Match the following physical quantities with units

Physical quantity Unit
(i) Molarity (a) g mL–1
(ii) Mole fraction (b) mol
(iii) Mole (c) Pascal
(iv) Molality (d) Unitless
(v) Pressure (e) mol L–1
(vi) Luminous intensity (f) Candela
(vii) Density (g) mol kg–1
(viii) Mass (h) Nm–1
  (i) kg

Molarity is ______.


Find the molality of solution if boiling point increases by 1.75 K and molal elevation constant of solvent is 5K kg mol-1.


Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×