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Perform the following calculation.  Your answer must contain…

Perform the following calculation.  Your answer must contain the proper number of significant figures to receive credit. What is the density (in g/mL) of a piece of metal with a mass of {m} g if the water level of a graduated cylinder increases from {v1} mL to {v2} mL when the metal is submerged?

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The molecule molecule SF6 has _________ (nonpolar covalent/p…

The molecule molecule SF6 has _________ (nonpolar covalent/polar covalent/ionic)  as its type of bonds? _______

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The radioisotope sodium-24 emits what particle when it under…

The radioisotope sodium-24 emits what particle when it undergoes a decay according to the following equation:  Na1124 → Mg1224 + _____{“version”:”1.1″,”math”:”Na1124 → Mg1224 + _____”}

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What volume (in L) of {Ms} M stock solution will be needed t…

What volume (in L) of {Ms} M stock solution will be needed to produce {Vd} L of a {Md} M solution?  Enter your answer to two decimal places.

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If {m} g of CaCO3 (100.09 g/mol) is added to excess hydrochl…

If {m} g of CaCO3 (100.09 g/mol) is added to excess hydrochloric acid, how many moles of carbon dioxide gas can be produced?  Answer to 2 decimal places. 2HCl(a) +CaCO3(s)→ H2O(l)+CaCl2(aq)+CO2(g){“version”:”1.1″,”math”:”2HCl(a) + CaCO3(s) → H2O(l) + CaCl2(aq)+CO2(g)”}

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A solution with [H3O+]={th}x10-{o} M has a pH of ______.  (A…

A solution with [H3O+]={th}x10-{o} M has a pH of ______.  (Answer to the hundredths place.)

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What is the molar mass (in g/mol) of the compound Al2(SO4)3?

What is the molar mass (in g/mol) of the compound Al2(SO4)3?

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When a compound is dissolved in water, the temperature of th…

When a compound is dissolved in water, the temperature of the water increases from 20.5 C to 23.4 C.  From this information, we can conclude that the reaction for the solvation (dissolving) of the compound is:

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Which of the following atoms or ions has an electron configu…

Which of the following atoms or ions has an electron configuration of [Ar]4s23d104p6? (Select all that apply)

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What is the concentration (in M) when {m} g of sodium carbon…

What is the concentration (in M) when {m} g of sodium carbonate (105.99 g/mol) is dissolved in {V} mL of water?  Input your answer to three decimal places.

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