Science, asked by daskoushis450, 7 months ago

stp তে একটি গ্যাসের 112.ml আয়তনের ভর 0.22 g । এই নমুনাই কটি অনু আছে? ​

Answers

Answered by MrSudipTO
1

Answer:

6.022 × 5 × 10²¹

Explanation:

m = 0.22 g

V = 112 ml or 0.112 L

now , M= {volume (in L) }/ {volume of gas in STP(22.4L)}

M=0.112/22.4

so , M = 0.005 mol

Now

0.005 mol = 6.022 × 10²⁴× 0.005

Number of molecules present =6.022 × 5 × 10²¹

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