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pogonyaev
1 month ago
7

Suppose you take a piece of hard wax from an unlit candle. After you roll the wax between your fingers for a while, it becomes s

oft. What State of matter is the softer wax ? Is it possible for wax to change without changing state
Chemistry
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A substance has a density of 4.5 g/cm3. The substance is heated and its density recalculated. What is the newly recorded density
lions [2927]

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Aluminum

Clarification:

6 0
2 months ago
Calculate the molarity of 48.0 mL of 6.00 M H2SO4 diluted to 0.250 L
lorasvet [2795]

Answer:

The molality is 1.15 m.

Molality is calculated by dividing the number of moles of solute by the kilograms of solvent, which in this case is water.

Calculate moles of H₂SO₄ from molarity:

C = n/V → n = C × V = 6.00 mol/L × 0.048 L = 0.288 moles

Mass of solvent (water) based on density:

m = ρ × V = 1.00 kg/L × 0.250 L = 0.250 kg

Therefore, molality is:

m = moles/solvent mass = 0.288 moles / 0.250 kg = 1.15 m

4 0
4 months ago
Read 2 more answers
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