Answered

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The compound XCl4 contains 74.8% Cl by mass. What is the element X?

Sagot :

Answer:

Ti

Explanation:

okpalawalter8

We have that  he element X is

X= Titanium

From the question we are told that

XCl4 contains 74.8% Cl by mass

Hence for a 100g

Cl=74.8g

Mole of Cl=\frac{74.8}{35.5}

Mole of Cl=2.1

Meanin that 4 M of Cl=1 M of X

Generally the equation for the moles   is mathematically given as

moles = \frac{mass}{ molar mass}

Where

mass of X=100-74,8=25.3

and

moles of X=\frac{2.1}{4}

moles of X=0.527

0.527= \frac{25.2}{ molar mass}

molar mass=47.8g

Therefore

Element with molar mass=47.8g is Titanium

Hence

X= Titanium

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