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alexandr1967 [171]
3 years ago
8

Classify metals based on more reactive, moderate and less reactive​

Chemistry
1 answer:
Alex17521 [72]3 years ago
5 0

more reactive metals:

potassium (highest reactivity)

sodium

calcium

magnesium

moderate reactive metals:

aluminium

zinc

iron

lead

least reactive metals:

copper

mercury

silver

gold (least reactivity)

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How many grams of glucose, C6H12O6, in 2.47 mole?
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First, we need to find the atomic mass of C_{6}H_{12}O_{6}.

According to the periodic table:
The atomic mass of Carbon = C = 12.01
The atomic mass of Hydrogen = H = 1.008
The atomic mass of Oxygen = O = 16

As there are 6 Carbons, 12 Hydrogens and 6 Oxygens, therefore:
The molar mass of  C_{6}H_{12}O_{6} = 6 * 12.01 + 12 * 1.008 + 6 * 16

The molar mass of  C_{6}H_{12}O_{6} = 180.156 grams/mole

Now that we have the molar mass of  C_{6}H_{12}O_{6}, we can find the grams of glucose by using:

mass(of glucose in grams) = moles(of glucose given in moles) * molar mass(in grams/mole)

Therefore,
mass(of glucose in grams) = 2.47 * 180.156
mass(of glucose in grams = 444.99 grams

Ans: Mass of glucose in grams in 2.47 moles = 444.99 grams

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Is A tomato smells rotten a chemical<br> reaction
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The molarity of the solution is 1,03 M.

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Molarity is a concentration measure that expresses the moles of solute (in this case HBR) in 1 liter of solution (1000ml). First we calculate the mass of 1 mol of HBr, to calculate the moles that are in 50 g of said compound:

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<em>x=1,03 moles HBr ---> The solution is 1,03M</em>

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