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Solve the following problem: Write the following number in ordinary decimal form: 0.00477 × 105

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प्रश्न

Solve the following problem:

Write the following number in ordinary decimal form:

0.00477 × 105

एक पंक्ति में उत्तर
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उत्तर

0.00477 × 105 = 477

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अध्याय 2: Introduction to Analytical Chemistry - Exercises [पृष्ठ २५]

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बालभारती Chemistry [English] Standard 11 Maharashtra State Board
अध्याय 2 Introduction to Analytical Chemistry
Exercises | Q 4. (O)(g) | पृष्ठ २५

संबंधित प्रश्न

Calculate the amount of carbon dioxide that could be produced when 2 moles of carbon are burnt in 16 g of dioxygen.


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Dinitrogen and dihydrogen react with each other to produce ammonia according to the following chemical equation:

\[\ce{N2 (g) + 3H2 (g) → 2NH3 (g)}\]

(i) Calculate the mass of ammonia produced if 2.00 × 103 g dinitrogen reacts with 1.00 × 103 g of dihydrogen.

(ii) Will any of the two reactants remain unreacted?

(iii) If yes, which one and what would be its mass?


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).


A solution contains 40 g of common salt in 320 g of water. Calculate the concentration in terms of mass by the mass percentage of the solution.

Solve the following problem:

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Solve the following problem:

Find out the molar mass of the following compounds:

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Solve the following problem:

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Write the following number in ordinary decimal form:

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Solve the following problem:

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

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Solve the following problem:

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

`33/(9.00xx10^-4)`


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))`


A 1.000 mL sample of acetone, a common solvent used as a paint remover, was placed in a small bottle whose mass was known to be 38.0015 g.
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Solve the following problem:

Your laboratory partner was given the task of measuring the length of a box (approx 5 in) as accurately as possible, using a metre stick graduated in milimeters. He supplied you with the following measurements:

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