Q. The boiling point of benzene is 353.23k.when 1.80 g of non voltile solute was dissolved in 90g of benzene the boiling point is raised to 354.11k calculate the molar mass of solute .Kb for benzene =2.53 kg/mol Q. when 1.5g of a non volatile solute was dissolved in 90 g of benz...
Calculate the molar mass of the ionic compound cobalt (Il) oxide. Cobalt (II) Oxide: The ionic compound cobalt (II) oxide has the chemical formula CoO. Artists use it to produce blue-colored glazes for ceramics. Transition metal ionic compounds are often used in ceramics as a source of ...
Calculate the molar mass of a substance1gof which when dissolved in100gof water gave a solution boiling at100.1∘Cat a pressure of 1 atm(Kbfor water=0.52Kkgmol−1) View Solution Free Ncert Solutions English Medium NCERT Solutions
quite low,people who abstain completely from animal products may develop a deficiency anemia.Cyanocobalamin is the form used in vitamin supplements.It contains 4.34% cobalt by mass.Calculate the molar mass of cyanocobalamin,assuming that there is one atom of cobalt in every molecule of cyanocobalamin...
PROBLEMS ON PERCENT COMPOSITION, EMPIRICAL FORMULA, AND MOLECULAR FORMULA 1. Calculate the formula or molecular mass for the following substances: Potassium sulfate sulfur dioxide Calcium hydroxide 2. Calculate the molar masses for the following substances: Potassium nitrate Magnesium sulfate Dinitrogen pent...
The molar mass definition of a compound is how many grams are in one mole of the compound. The molar mass of an element can be found by looking at the number below the symbol on the periodic table. It is most useful when making solutions in the lab, so y
Re: How do you calculate the molar mass? « Reply #4 on: February 18, 2008, 01:25:13 PM » wouldn't h20 be 18.016? Logged 0000000 Chemist Regular Member Posts: 52 Mole Snacks: +6/-7 Gender: chemist Re: How do you calculate the molar mass? « Reply #5 on: February 18...
The molar mass definition of a compound is how many grams are in one mole of the compound. The molar mass of an element can be found by looking at the number below the symbol on the periodic table. It is most useful when making solutions in the lab, so y
Molar Mass, Moles and Avogadro’s Number Calculate the molar mass of: 1) (NH 4 ) 2 S 68.16 g 2) Fe 2 O 3 159.7 g 3) KClO 4 138.55g 4) SF 6 146.06 g 5) (NH 4 ) 2 SO 4 132.16 g 6) KClO 4 Calculate the grams present in: 1) 0.200 moles of H 2 S 6.82 g 2) ...
The molar mass of any solid, liquid, or gaseous substance is the number of grams of the substance in its molecular (molar) form that contains 6.0221367 X e^23 atoms of the substance (Avogadro's Number). This is because the mass of a substance is dependent on the molecular weight of the...