How many mg of a metal containing 45%
WebThe average daily iron intake from foods and supplements is 13.7–15.1 mg/day in children aged 2–11 years, 16.3 mg/day in children and teens aged 12–19 years, and 19.3–20.5 mg/day in men and 17.0–18.9 mg/day in women older than 19. The median dietary iron intake in pregnant women is 14.7 mg/day [ 5 ]. http://www.hunter.cuny.edu/dolciani/pdf_files/brushup-materials/solving-mixture-and-solution-verbal-problems.pdf
How many mg of a metal containing 45%
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Web0.30 (10 − w) mixture. 10. 0.15. 0.15 (10) = 1.5. When the problem is set up like this, we can usually use the last column to write our equation. In this case, the liters of acid within the 10% solution, plus the liters of acid within the 30% solution, must add up to the liters of acid within the 15% solution. WebThis means that in order to obtain an alloy containing 78% nickel, we need to combine 3 parts of pure nickel with 2 parts of a metal containing 45% nickel. Since we have 6gm of …
Web20 aug. 2024 · Mobile devices contain conflict elements like gold, toxic ones like arsenic and rare elements like indium. More than half of people (59%) said knowing this would make them more likely to recycle old devices. ‘Conflict elements’ include tin, gold, tungsten and tantalum – which is also used in mobile phones – and are mined in areas where ... WebYou'll get a detailed solution from a subject matter expert that helps you learn core concepts. How many mg of a metal containing 45% nickel must be combined with 6 mg of pure …
WebThe percentage concentration of any solution is most commonly expressed as mass percent: Mass % of any component of the solution = (Mass of the component in the solution / Total mass of the solution) x 100 Other methods are: Volume percentage: Volume % of a component = (Volume of the component/Total volume of the solution) x 100 WebHow many mg of a metal containing 45 nickel must be. School Glenda Dawson H S; Course Title MATH algebra; Uploaded By DrRockPenguin4297. Pages 4 Course Hero uses AI to attempt to automatically extract content from documents to surface to you and others so you can study better, e.g., in search results, to enrich docs, and more.
Web30 jun. 2024 · Silver solder also helps with the cleanliness factor when welding, since it produces silver slag as a byproduct. Slag is often molten metal that has collected on the welding surface and needs to be removed before you can finish your project. Silver solder also helps prevent oxidation, which means less rust will form when using silver solder ...
WebSymbol: Mg Atomic Mass: 24.3050 # of Atoms: 1 Mass Percent: 9.861%. Element: Hydrogen Symbol: H Atomic Mass: 1.00794 # of Atoms: 14 Mass Percent: 5.725%. Element: Oxygen ... starts with units of grams per mole (g/mol). When calculating molecular weight of a chemical compound, it tells us how many grams are in one mole of that substance. how cold is the mississippi riverWeb6) How many mg of a metal containing 45% nickel must be combined with 6 mg of pure nickel to form an alloy containing 78% nickel? 4 mg-1- how cold is the mojave desert at nightWebMilligram/gram: Note: Fill in one box to get results in the other box by clicking "Calculate" button. Data should be separated in coma (,), space ( ), tab, or in separated lines. Begin: Step: Percentage ↔ Milligram/gram Conversion Table. 1 per =. 10 mg/g. 2 per =. how many points is division 7 in arenaWebExpert Answer Transcribed image text: A metallurgist has one alloy containing 21% aluminum and another containing 45% aluminum. How many pounds of each alloy must he use to make 42 pounds of a third alloy containing 27% aluminum? how many points is division 10Web12 jul. 2024 · A metallurgist has one alloy containing 45% copper and another containing 69% copper. How many pounds of each alloy must be use to make 42 pounds of a third alloy containing 66% copper See answer Advertisement raphealnwobi 5.25 pounds of one alloy containing 45% copper and 36.75 pounds of 69% copper is used to make 42 … how many points is division 7WebX. How many mg will he need for a single dose? 3) Cloxacillin, 50 mg/kg/dose has been prescribed to a patient, whose weight is 45 kg. a) How many mg are required for a single dose? b) How many grams is this? 4) A female patient has been prescribed Chloramphenicol, 40 mg/kg/dose. She weighs 78 kg. How many grams of the drug does … how many points is dlc 2WebMagnesium is a chemical element with the symbol Mg and atomic number 12. It is a shiny gray metal having a low density, low melting point and high chemical reactivity. Like the other alkaline earth metals (group 2 of the periodic table) it occurs naturally only in combination with other elements and it almost always has an oxidation state of +2 ... how cold is the surface of mars