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marusya05 [52]
3 years ago
15

Convert 7.680 moles of PtSe to grams

Chemistry
1 answer:
puteri [66]3 years ago
7 0

Answer:

7.680 mol Pt Se aptse.

Convert 0.400 moles of BF3 to molecules.

0.400 mal BF3 x 6.02x 18 molecules BF3 = 2.4px 10.

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2Li + H2SO4=Li2SO4 + H2 How many liters of hydrogen gas, H2 at STP can be produced from 3.0 moles of Li? The molar volume of a g
Gemiola [76]

Answer:

volume of H_2=33.6 litre

Explanation:

Firstly balance the given chemical equation,

2Li + H_2SO_4=Li_2SO_4 + H_2

From the given balance equation it is clearly that,

2 mole of Li gives  1 mole of H2 gas

2 mole Li⇔1 mole H_2

1 mole Li⇔0.5 mole H_2

3 mole Li⇔1.5 mole H_2

hence

3 mole of Li will give 1.5 mole H2 gas

therefore volume of gas produced from 3 mole Li at STP = 1.5\times22.4 \frac{L}{mol}

volume of H2=33.6 litre

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