Mathematics, 18.10.2021 01:50 martl4175
42. * EXTENDED RESPONSE A mole is a unit of Element Mass of smole measurement used in chemistry. The masses of one mole of three elements are in the table. Hydrogen 1.008 grams a. A 100 gram sample of ascorbic acid contains Carbon 12.011 grams 4.58 grams of hydrogen. To the nearest tenth, Oxygen 15.999 grams find the number of moles of hydrogen. b. A 100 gram sample of ascorbic acid contains 54.5 grams of oxygen. To the nearest tenth, find the number of moles of oxygen in the sample. e. The ratio of moles of hydrogen to moles of carbon in ascorbic acid is 4:3. How does this ratio compare with the ratio of moles of hydrogen to moles of oxygen in ascorbic acid? Explain.
Answers: 1
Mathematics, 20.06.2019 18:04
Ashopper bought a watermelon a pack of napkins and some paper plates in his state there was no tax on food the tax rate on non-food items is 5% the total for the three items he bought was 825 before tags and he paid $0.19 in taxes how much did the watermelon cost
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Mathematics, 21.06.2019 21:10
Which question is not a good survey question? a.don't you agree that the financial crisis is essentially over? 63on average, how many hours do you sleep per day? c. what is your opinion of educational funding this year? d.are you happy with the availability of electronic products in your state?
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Mathematics, 21.06.2019 21:30
Plz ( true - false) all triangles have interior angles whose measure sum to 90.
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Mathematics, 21.06.2019 23:30
Ateacher wanted to buy a chair, a bookshelf, two tables and a desk. she spent $900 for all five items and the chair and the desk combined 70% of her total. if the bookshelf cost $50, how much did each of the tables cost?
Answers: 1
42. * EXTENDED RESPONSE A mole is a unit of Element Mass of smole measurement used in chemistry. The...
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