The number of neutrons in 5g of D20 are
0.25 NA
2.5 NA
0 1.1 NA
O 20 NA
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Answer:
Using Unitary method here is your answer Put the value of Na as 6.022 × 10^23 and you got your answer has 2 neutrons. Next we need the number of D2O molecules in 5g. Molar mass of DO is 20g. So 5 g means 0.25 mol of DO.
Explanation:
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