Mathematics, 25.07.2019 17:00 wdgyvwyv8840
There are 6.02 × 1023 atoms in 1 gram of hydrogen. how many atoms are there in 400 grams of hydrogen? write your answer in scientific notation. if necessary, round your answer to two decimal places. 2.41 × 10^26 2.41 × 10^23 2.41 × 10^20 24.08 × 10^25
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There are 6.02 × 1023 atoms in 1 gram of hydrogen. how many atoms are there in 400 grams of hydrogen...
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