Dolomite is a carbonate of magnesium and calcium. Analysis shows that 7.81 g of dolomite contains 1.70 g of Ca. Calculate the mass percent of Ca in dolomite. On the basis of the mass percent of Ca, and neglecting all other factors, which is the richer source of Ca, dolomite or fluorite ?

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A: It is the simplest formula for a molecule i.e. Glucose (C6H12O6) has an empirical formula of CH2O.

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A: Total mass of the alloy = mass of Fe + mass of C + mass of Cr = 90.2 + 2.15 + 1.01 = 93.36 g

Q: Give some examples of Silicates?

A: Examples of silicates: Quartz, feldspar, mica, amphibole, pyroxene, and olivine. Silica tetrahedra.

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Q: Enlist and explain the ores of Beryllium and methods of production of Beryllium

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A:

Q: What is the mass percent of P in H3PO4? Show your calculations please.

A: Percent mass of an element in a compound can be calculated by using the following formula:

Q: Elements of Group IV that is non-metal Germanium a Lead b O Silicon.c Carbon d

A:

Q: 1. Al* and O² - 6. Francium Phosphate- 2. Cs and Po,- 7. Copper (I) Nitride - 3. K and Br- 8.…

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Q: strontium (Hg2)3(PO3)2 bicarbonate manganese PtC204 (1I) nitride barium SbCl5 peroxide

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Q: Explain in detail the process of production of beryllium.

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Q: is a metal? As CI K F

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Q: An electrical insulator is a material

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Q: What is the mass percent of oxygen in sodium oxide? O 62.0 O 74.2 O 37.1 O none of the above O 25.8

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Q: Which of the following is an alkaline earth metal? A.K  B.Cu  C.Mg  D.Na  E.Al

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Q: How many grams of titanium could be obtained from a44.00 mole sample of Ti6Al4V?

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Q: how do I calculate the theoretical yield of potassium alum from 1.0000g of aluminum?

A: The equation of Potassium alum

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Stoichiometry

Stoichiometry is a chemical division that evaluates the quantitative content of the chemical process with the help of the reacting molecules or products taking part in the reaction. The term “stoicheion” in “Stoichiometry”, is an old Greek term for "element" whereas “metron” means "measure".