Question

Calculate the number of helium atoms present in 52gm of He

Answer 1

Answer:

1 mole of He contains = 6.022 x 1023 particles = molar mass (4 g)

begin mathsize 14px style No. space of space atoms space in space 52 space straight g space He space equals space fraction numerator 52 space cross times space 6.022 space cross times 10 to the power of 23 over denominator 4 end fraction space equals 78.28 space cross times space 10 to the power of 23 space atoms end style

Answer 2

Answer:

Hi friend the answer is 4 molar mass.