This quiz is in TEST MODE and as such is not 100% functional.
All answers should use 3 significant figures, regardless of how many are given in the problem.
For very small or large numbers, use scientific notation written as follows: 1.23e+23.

QUESTION

Given the following reaction:

1 Sr + 2 HNO3 ---> 1 Sr(NO3)2 + 1 H2

How many grams of H2 can be produced from 5.21 grams of Sr ?