Question

Calculate the mass in grams
75 moles of H2

Answer 1

Answer:

: Since ; 1 mole is defined as amount of substance that contains Avogadro’s number. Which is equal to 6.022 ×10 to the power of 23.

2 : Nowdays; Mole is expressed in terms of molecules ; atoms ; ions etc.

3 : Here ; H2 is 0ne molecule of hydrogen which contains two mole of hydrogen atom and has molar weight of 2 g/mol

4 : 1 mole of H2 = 2 g.

5 : 75 moles of H2 = 75 ×1 mole of H2 = 75 ×2 g = 150 g.

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