Question: Can someone help me to answer this correctly, please, and explain it. Please answer these 2 short questions, I don't have more money to buy

Can someone help me to answer this correctly, please, and explain it. Please answer these 2 short questions, I don't have more money to buy more questions. These 2 questions are different.

1. a.

Can someone help me to answer this correctly, please, and explain it.

1. b.

Please answer these 2 short questions, I don't have more money to

Beryllium carbide (Be2C) reacts with water to produce methane (CH4). Calculate the mass of methane formed from 50.3g of Be2C. g An element X has a dibromide with the empirical formula XBr2 and a dichloride with the empirical formula XCl2. The dibromide is converted to the dichloride according to the equation XBr2+Cl2XCl2+Br2 If the complete conversion of 1.014g of XBr2 results in the formation of 0.594g of XCl2, what is the atomic mass of the element X ? Atomic mass X= g/mol

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