Mass is the measure of the quantity of the substance present in the sample containing a compound or molecule. The mass of sucrose in the sample is 171 g.
<h3>What is mass?</h3>
The mass of the compound in the sample is the product of the number of moles of the substance and the molar mass of the compound.
Given,
The molar mass of the sucrose compound = 342.3 g/mol
Number of moles of sucrose = 0.500 moles
Mass of sucrose is calculated as:
Therefore, option A. 171 gm is the mass of sucrose.
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Atom is the correct answer i believe
C) 6.781 g
Explanation:
Precision in a reading is the ability to reproduce the same set of results.
Accuracy is the nearness of the measured value to the true value.
Every measurement must be taken accurately and precisely.
Now to determine the value of the block's mass that would be the most precise, let us arrange the masses in their increasing order.
6.759 g, 6.786 g, 6.812 g, 6.779 g
Arranging in increasing order;
6.759 g , 6.779 g, 6.786 g 6.812 g
An value from the option that falls within the given values will make it even more precise;
6.781 g would perfectly fit this condition.
Other values are lower or higher than the given sets.
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