There are four Calories per gram of sucrose (sugar), and there are five grams of sugar per teaspoon. How many Calories does one teaspoon of sugar provide? a. 4 b. 8 c. 12 d. 16 e. 20 What is the concentration of the hydrogen ion, if the pH of a soluti...
Homework Statement (Q.) 3 g of activated charcoal was added to 50 mL of acetic acid solution (0.06N) in a flask. After an hour it was filtered and the strength of the filtrate was found to be 0.042 N. The amount of acetic acid adsorbed (per gram of charcoal) is :Homework Equations...
c) CO2 d) N2 Molar Mass: The molar mass is a quantity of parameters that would be relevant on the number of moles and the mass of a substance. In essence, the molar mass is the quantity is the mass per mole of a substance, which is expressed in terms of ...
0.8 moles of a mixture of CO and CO2 requieds exactly 40 gram of NaOH in solution for complete conversion of all the CO2 into Na2 CO3. How many more of NaOH w
Molar concentration or most commonly known as molarity is defined as the number of moles of solute per liters of solution. It has a unit of moles/liter (M). Answer and Explanation: Given: {eq}Zn(NO_3)_2.6H_2O{/eq} = 0.35 M (0.35 moles/liter) -...
Calculate the density, in grams per liter, of carbon dioxide (CO2) gas at STP. What is the density of CO_2 at STP in g/L? What is the density of CO2(g) at STP? What units are normally used to express the density of gases? What is the unit usual...
Hint: Find moles of CO2 . Avogadro number 6.022 x 10^{23} atoms per mole. Answer to one decimal places. Units in scientific notation as in 10^X. What is the relationship between a mole, molar mass, and Avogadro's number? How do you convert moles ...
b) 7.48 grams of Na{eq}_2{/eq}SO{eq}_4{/eq} Mass to mole conversion In converting mass to mole (vice versa) of a substance, its molar mass is being used. Answer and Explanation: a. 59.3 grams Sn to moles Sn (molar mass = 118.71 gr...
Calculate the mass of 0.75 moles of CO2. What is the total number of atoms in a 30.0 gram sample of neon? Calculate the molar mass for Mg(ClO4)2 given the atomic mass of Mg=24.31, Cl=35.45, and O=16.00 g/mol How many moles of neon occupy a volume of 14.3 L at STP? 36.7 mol...
Molar mass is defined as the mass per mole of a substance. The Mole is a unit of measurement used to express the amount of a substance. Here, 'amount' means the number of constituent particles of a substance. A mole of a substance is equal to the number of particles o...