Question

how many grams are there in 9.40x1025 molecules of H2

Answer 1

Explanation:

You start with 9.4 x 1025 molecules of H2.

You start with 9.4 x 1025 molecules of H2.You know that an Avogadro's number of molecules of H2 has a mass of 2.0 g.

You start with 9.4 x 1025 molecules of H2.You know that an Avogadro's number of molecules of H2 has a mass of 2.0 g.

You start with 9.4 x 1025 molecules of H2.You know that an Avogadro's number of molecules of H2 has a mass of 2.0 g. To solve, 9.4 x 1025 molecules H2 x (2.0 g H2 / 6.023 x 1023 molecules H2) = 312. g H2

Answer 2

Answer:

9.40*1025*28 as 28 is weight of molecules of H2 and they aren't grams they are u