Mathematics, 19.06.2020 12:57 diemiten
2) A hydrogen contains 14.30% by mass of hydrogen
and 85.7% by mass of carbon. The relative molar
mass of the compound is 28. find
a. The empirical formula
b. The molacular formula
Answers: 3
Mathematics, 21.06.2019 16:20
Arianna is buying plants for her garden. she buys 15 flowering plants for $96. pink flowering plants sell for $8, and purple flowering plants sell for $5. how many pink flowering plants did arianna buy? i figured out the answer! the answer is 7. 8x +5y = 96 plug in 7 for x 8 (7) + 5y = 96 56 + 5y = 96 subtract 56 from both sides 5y/y = 40/5 y = 8 she bought 7 pink and 8 purple plants
Answers: 1
2) A hydrogen contains 14.30% by mass of hydrogen
and 85.7% by mass of carbon. The relative molar
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