A sample of potato starch was ground in a dall mill to give a starch like molecule of lower molecular weight. The product analyzed $0.086 %$ phosphorus .If each molecule is assumed to contain one atom of phosphorus. The molecular weight of the material is _______________.

3.6 \times 10^{6}

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4.9 \times 10^{4}

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7.2 \times 10^{3}

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3.6 \times 10^{4}

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Solution

The correct option is D $3.6 \times 10^{4}$

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A sample of potato starch was ground in a dall mill to give a starch like molecule of lower molecular weight. The product analyzed 0.086% phosphorus .If each molecule is assumed to contain one atom of phosphorus. The molecular weight of the material is _______________.

The correct option is D 3.6×104

A sample of potato starch was ground in a dall mill to give a starch like molecule of lower molecular weight. The product analyzed $0.086 %$ phosphorus .If each molecule is assumed to contain one atom of phosphorus. The molecular weight of the material is _______________.

The correct option is D $3.6 \times 10^{4}$