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If the density of methanol is 0.793 kg 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?

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To find the volume of methanol needed for making 2.5 L of its 0.25 M solution, follow these steps: ### Step 1: Write down the given values - Molarity (M) = 0.25 M - Density (ρ) = 0.793 kg/L - Volume of solution (V_solution) = 2.5 L ### Step 2: Calculate the molecular mass of methanol (CH₃OH) ...
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ICSE-SOME BASIC CONCEPTS OF CHEMISTRY -NCERT TEXT-BOOK EXERCISES (WITH HINGS AND SOLUTIONS)
  1. In three moles of ethane (C(2)H(6)), calculate the following: (i) N...

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  2. What is the concentration of sugar (C(12)H(22)O(11)) in mol L^(–1) if ...

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  3. If the density of methanol is 0.793 kg L^(–1), what is its volume need...

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  4. Pressure is determined as force per unit area of the surface. The SI u...

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  5. What is the SI unit of mass? How is it defined?

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  6. Match the following prefixes with their multiples:

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  7. What do you mean by significant figures?

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  9. Express the following in the scientific notation: (i) 0.0048 (ii) 2...

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  10. How many significant figures are present in the following? (i) 0.002...

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  11. Round up the following upto three significant figures: (i) 34.216 ...

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  16. How are 0.50 mol Na(2)CO(3) and 0.50 M Na(2)CO(3) different?

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  17. If ten volumes of dihydrogen gas react with five volumes of dioxygen g...

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  18. Convert the following into basic units: (i) 28.7 pm (ii) 15.15 pm ...

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  19. Which one of the following will have the largest number of atoms? (i...

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  20. Calculate the molarity of a solution of ethanol in water, in which the...

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