General Chemistry

How To Calculate The Mass Percentages Of Elements In A Compound

How To Calculate The Mass Percentages Of Elements In A Compound Step 1: Find the molar mass of the compound using Periodic Table. Step 2:...

How To Find Limiting Reactant And Theoretical Yield (with examples)

A limiting reactant is a reactant that limits how much product will be produced. It will run out first and stop the reaction from going...

If I add 45 grams of sodium chloride (NaCl) to 450 mL of water, what is the molality of this so

If I add 45 grams of sodium chloride (NaCl) to 450 mL of water. What is the molality of this solution? Solution: Molality = moles of...

What’s the molarity of a solution formed by adding water to 35 grams of copper (II) sulfate (CuSO4)

What’s the molarity of a solution formed by adding water to 35 grams of copper (II) sulfate (CuSO4) until you have a final volume of 750...

Calculate the solubility of the following compound in moles per liter: PbI2, Ksp = 1.4 x 10-8.A) 1.

Calculate the solubility of the following compound in moles per liter: PbI2, Ksp = 1.4 x 10^-8. A) 1.4 x 10^-8 M B) 0.0019 M C) 5.6 x...

Which of the following gives the correct equation for ∆H°f of C20H23PO2(s)?(a) C(s, gr) + H(g) + P(W

Which of the following gives the correct equation for ∆H°f of C20H23PO2(s)? (a) C(s, gr) + H(g) + P(s) + O(g) --> C20H23PO2(s) (b) C(s,...

Consider the following hypothetical reaction mechanism A + 3B → 2C. The rate of appearance of C give

Consider the following hypothetical reaction mechanism A + 3B → 2C. The rate of appearance of C given by d[C]/dt may also be expressed...

Consider the following hypothetical reaction mechanism A + 3B → 2C. The rate of appearance of C giv

Consider the following hypothetical reaction mechanism A + 3B → 2C. The rate of appearance of C given by d[C]/dt may also be expressed...

An ideal gas is contained in a container with a volume of 2.50 L at a temperature of 78.0 oC and a p

An ideal gas is contained in a container with a volume of 2.50 L at a temperature of 78.0°C and a pressure of 2.00 atm. What is the new...

A 0.465 g sample of an unknown compound occupies 245 mL at 298 K and 1.22 atm. What is the molar mas

A 0.465 g sample of an unknown compound occupies 245 mL at 298 K and 1.22 atm. What is the molar mass of the unknown compound? A. 38.0...

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