QUESTION 3 Calculate the molecular weight of the following compound in g mol-1. Give your answer to 2 decimal places. of OMe

What is a lowest subscript used in the formula below? 4Fe, (CO,); O 1 acer #3 $4 % & 3 4 7 8. 个

Name: Date: 1. In mammals, lactose (milk sugar) is metabolized to glucose (C₂H₁2O), the key nutrient for generating chemical potential energy. 12 What is the mass percent of each element in glucose? How many grams of carbon are in 16.55 g of glucose? a) 6.714 mass % C, 40.00 mass % H, 53.29 mass % O, 6.620 g C b) 40.00 mass % C, 6.714 mass % H, 53.29 mass % O, 6.620 g C c) 6.620 mass % C, 6.714 mass % H, 40.00 mass % O, 53.29 g C d) 50.00 mass % C, 7.714 mass % H, 5.329 mass % O, 66.20 g C

B/ Compound which is composed of 57.14% C, 6.16% H, 9.52% N, 27.18% O by mass and has a molar mass of 294.3 g/mol. What is Molecular formula of this compound (At. Wt C=12, H=1, 0=16, N=14).

(11) How many sodium sulfate formula units are in 0.333 mol?

Write the correct answer with 1 place after the decimal point What is the molecular mass of C8H2?

Determine the molar mass of LiNO₃. Provide an answer to two decimal places.

3. What is the molecular weight of the molecule shown below? Round the answer to 4 significant figures. H. CI H. OH

be sure that i) H2C2O4.2H2O   please solve it

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