<transcript><audio_27> nesse exemplo aqui. O silicato de magnésio, a fórmula dele, por exemplo, é o silicato de magnésio, a fórmula dele é o MgSO3. Pronto, simples assim. MgSO3, silicato de magnésio.</transcript><caption><image_28>The image is a screenshot of a video presentation. On the left side of the image, there is a photo of a man sitting at a desk with a laptop in front of him. He is wearing a blue shirt and appears to be speaking into a microphone. On top of the photo, there are two molecules, one labeled "H" and the other labeled "Mg". The molecule labeled "S" is represented by a red circle, while the molecule labelled "S1" is shown by a yellow circle. The molecules are connected by lines, representing the chemical bonds between them. The background is white.</caption><transcript><audio_29> Aí você entra com as moléculas de água nessa história e vai mudando. Então, o silicato é diferente. Você viu eu te falando. Sílica, SiO2, é só isso dali. O silicato, para falar em química, é um ânion. Então, é SiO3-2.</transcript><transcript><audio_30> sempre está associado a um outro metal, por exemplo, na vida prática nossa. Então, os silicatos são coisas totalmente diferentes. Por exemplo, o talco é um silicato. Tanto é que no anexo 3 da NR15 fala-se do talco na área</transcript> for example, pay attention to this example here, magnesium silicate, its formula, for example, is magnesium silicate is its formula is mgsio3 it's as simple as mgs3 magnesium silicate can be hydrated if it enters with the water molecules in this story then it changes so the union is different you saw me telling you if it binds SO2 that's all there is  union to speak in chemistry it is an anion so it is seo3 upwards it can have hydrogen and always associated with another metal for example in practical life Wow then silicates are totally different things that is why talc is a union so much so that in annex 13 of nr15  we talk about talc and the
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