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

250mL. What is the molarity of the solution? M. What is the concentration of the ammonium cation? M. What is the concentration of the sulfide anion? M. In the laboratory you dissolve 19.9g of nickel(II) fluoride in a volumetric flask and add water to a total volume of 375 mL. What is the molarity of the solution? Molarity = What is the concentration of the nickel(II) cation? Concentration = What is the concentration of the fluoride anion? Concentration = M

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