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Acids and Bases
How many moles of HCl are there in 230 cm cubed of 2M hydrocloric acid?
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To calculate the number of moles of HCl, you need to use the formula: moles = Molarity (M) x Volume (L) Convert 230 cm^3 to liters: 230 cm^3 ÷ 1000 = 0.23 L Now
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Acids and Bases
Are alkali earth metals hard or slimy liquid Erfahrungsbericht soft?
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Alkali earth metals are relatively soft compared to transition metals, like iron or copper. They can be cut with a knife due to their low hardness.