Find the moles of Boron and of Chlorine:
Assume there are 100 g of the compound in all
Boron: 9.224% --> .09224 (convert percent to decimals)
.09224*100g = 9.224g Boron (theoretical amt)
9.224g* 1mol/10.81g (molar mass Boron) = .8533 moles Boron
Answer:
Just guessing but, it engages the reader with descriptive details that make them want to learn of this mysterious character. She seems like a elegant lady yet her photo is worn out and poorly taken care of. It makes the reader wonder who she is and why she's so important.
Nora has a flirtatious behavior that suggests that Helmer and she have a flirtatious but stable relationship but sometimes it is serious. Helmer supports the careless attitude of Nora with money and he also worries and criticizes her habit of squandering money to make her understand the value of saving. This behavior shows that there is still a lot of love in their relationship and that it is not a couple with a bad mood.
That's incorrect usage.
You'd say "I haven't seen him"
