Question

calculate mass of glucose to be dissolved to prepare 200g of 5 percent solutions of glucose by mass
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Answer 1

The mass of glucose present is 10 grams

Explanation:

To calculate the mass of glucose for given mass percentage, we use the equation:

$\text{Mass percent of calcium ions}=\frac{\text{Mass of calcium ions}}{\text{Mass of milk}}\times 100$

Mass percent of glucose = 5 %

Mass of solution = 200 g

Putting values in above equation, we get:

$5=\frac{\text{Mass of glucose}}{200g}\times 100\\\\\text{Mass of glucose}=\frac{5\times 200}{100}=10g$

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Answer 2

Explanation:

Mass% of glucose=5%

Mass of solution=200g

Mass of glucose=5×200/100=10gram.