taekwondot.t.d1803 4/29/2024 1:40:02 PM

Câu 76: Cho sơ đồ phản ứng sau:

(1) X + H2https://lh7-us.googleusercontent.com/docsz/AD_4nXcrMW2VI3ht4qnIdydysyhsRud6L4adVtfoLhrO1as9ujLSVV7KtlW8HqzxVR5dXWNtba1yfjHCpgV6GSq4ptz1fKR8JRV9jBj5r27IdzH88AT7nUzAerry9_sepV7Msajxjehul_-CbzxXIBzBVP7spO0bgRJmmp8=s800?key=75B3Qf5I3IXYlKyqfmQmnw Y + Zhttps://lh7-us.googleusercontent.com/docsz/AD_4nXcMiRid4MMZWCcGvDnrIHYDVxmwvpz1-i3Ua82VrRXNPxcVA_OQmehcxWxWE9oVepmJcCePOReICipwqWjR3ZFl4Etbu_hBSOGADtOd5zLxXtKpxZGYCPBtpJkh3Ihfz5prx_Bpgvpz9wMiqFHDJJGc7liaO3TZxxc=s800?key=75B3Qf5I3IXYlKyqfmQmnw + H2https://lh7-us.googleusercontent.com/docsz/AD_4nXcMiRid4MMZWCcGvDnrIHYDVxmwvpz1-i3Ua82VrRXNPxcVA_OQmehcxWxWE9oVepmJcCePOReICipwqWjR3ZFl4Etbu_hBSOGADtOd5zLxXtKpxZGYCPBtpJkh3Ihfz5prx_Bpgvpz9wMiqFHDJJGc7liaO3TZxxc=s800?key=75B3Qf5I3IXYlKyqfmQmnw;

(2) Y + Ba(HCO3)2 https://lh7-us.googleusercontent.com/docsz/AD_4nXexPbldEZOSoQ4qYirp6jjXnzQZvtZYGCa6Vb1ZOguM5JVaBVsJ4JZCwE5ioZxKOk6f_BXq5jq7pF2osSNaHd2LNLWTwDVT_NocR5AaPRvF4EJI7INnm8gYc57EnLlHLKER4x_MfLKExKfaLoihxVVG2DWwpJwT2w=s800?key=75B3Qf5I3IXYlKyqfmQmnw T + K2CO3 + H2O.

(3) T + 2HCl https://lh7-us.googleusercontent.com/docsz/AD_4nXexPbldEZOSoQ4qYirp6jjXnzQZvtZYGCa6Vb1ZOguM5JVaBVsJ4JZCwE5ioZxKOk6f_BXq5jq7pF2osSNaHd2LNLWTwDVT_NocR5AaPRvF4EJI7INnm8gYc57EnLlHLKER4x_MfLKExKfaLoihxVVG2DWwpJwT2w=s800?key=75B3Qf5I3IXYlKyqfmQmnw E + CO2 + H2O.

Phân tử khối của chất T là

        A. 208.                        B. 197.                        C. 259.                        D. 171.

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