Is the answer advertisement? I need more context around the question to know for sure.
Answer:
B
Explanation
English - Hey, so I'm starting a little business. I'm going to be customizing shoes. If you want a pair of shoes please tell me. I will be putting another post with photos of shoes I've customized.
Spanish - Oye, estoy comenzando un pequeño negocio. Voy a personalizar zapatos. Si quieres un par de zapatos, dímelo. Estaré poniendo otra publicación con fotos de zapatos que he personalizado.
Insta account and website in progess
Blank 1: nothing (to keep 2 total nitrogen)
blank 2: 3 (to make 6 total hydrogen)
blank 3: 2 (to make 2 total nitrogen and 6 total hydrogen)
hope this helps!! :)
Answer: 10.99
Explanation: because you take the Cao 13.9 and take CO2 which is 10.99 and it makes 24.8 . Which is CaCO3.
Atomic mass Ar => 39.948 a.m.u
39.948 g --------------- 6.02x10²³ atoms
?? g -------------------- 3.8x10²⁴ atoms
(3.8x10²⁴) x 39.948 / 6.02x10²³ => 250 g
hope this helps!