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Divide the molar mass by the ion charge or oxidation number (for CaCO3) to determine equivalent (Eq.) weights. Multiply alkalinity in "Eq/L" by the equivalent weight of CaCO3 to calculate it in g/L. In our example, Alkalinity as CaCO3 = 0.0097 Eq/L x 50 g/Eq = 0.485 g/L = 485 mg/L.

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•The molar mass (M) of a substance is the mass of one mole of entities (atoms, molecules, or formula units) of the substance. • Molar mass has units of grams per mole (g/mol). Concept 3 . The relations among amount of substance (in moles), mass (in grams), and number of chemical entities

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Jan 01, 2013 · calculate the molar mass of ... copper (II) carbonate, CuCO3 magnesium phosphate, Mg3(PO4)2 determine how many moles are in the following masses of substances... 50.03 g of methanol, CH4O 2.6 of copper (II) hydroxide, Cu(OH)2 determine how many grams are in the following molar amounts of substances...

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The mass of KOH required to completely neutralise the gas is Magnesium and oxygen combine in the ratio of `3 : 2` by mass to form magnesium oxide.Calculations: Formula: CuCO3.Cu(OH)2 Molar Mass: 221.1018 g/mol 1g=4.52280352308303E-03 mol Percent composition (by mass): Element Count Atom Mass %(by mass)

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How is the molar mass of CaCO3 calculated? You add up molar masses of Ca, С and three O’s which you can find in the periodic table of elements. They are 40.1, 12 and 16 g/mol respectively. So the molar mass of CaCO3 is 40.1+12+3x16=100.1 g/mol.

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Chemistry. Unit 8: Stoichiometry. Key Learning Chemistry Standard/Outcomes 1 Use of Mole Ratios 2 Calculating Theoretical Yields 3 Percent Yield of a Reaction 4 Determining the Limiting Reactant Feb 20, 2017 · The mole (mol) is the amount of a substance that contains as many elementary entities as there are atoms in exactly 12.00 grams of 12C 1 mol = NA = 6.0221367 x 1023 Avogadros number (NA) 2011 Pearson Education, Inc. eggs Molar mass is the mass of 1 mole of shoes in grams marbles atoms 1 mole 12C atoms = 6.022 x 1023 atoms = 12.00 g 1 12C atom ...