No. of moles of water in $488.6 g$ of $B a C l_{2} .2 H_{2} O$ are (molecular weight of $B a C l_{2} .2 H_{2} O = 244.33$ )

2 moles

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4 moles

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3 moles

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5 moles

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Solution

The correct option is B
4 moles

No. of moles = $\frac{W}{M W}$

1 mole contains 2 moles of water

2 moles contains 4 moles of water

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Similar questions

No. of moles of water in $488.6 g$ of $B a C l_{2} .2 H_{2} O$ are (molecular weight of $B a C l_{2} .2 H_{2} O = 244.33$ )

488.6

B a C l_{2} .2 H_{2} O

B a C l_{2} .2 H_{2} O

=

244.33

C O_{2}

C u S O_{4} . 5 H_{2} O

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