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Chemistry

Sodium chloride reacts with silver nitrate to produce silver chloride and sodium nitrate

(a) Write the equation.

(b) Check whether it is balanced, if not balance it.

(c) Find the weights of reactants and products.

(d) State the law that this equation satisfies.

Chemical Equation

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Answer

(a) NaCl + AgNO3 ⟶ AgCl + NaNO3

(b) The equation is balanced.

(c) Calculating the weights of reactants and products from the equation:

NaCl+AgNO323+35.5+108+14+3(16)⇒58.5+170⇒228.5⟶AgCl+NaNO3108+35.5+23+14+3(16)143.5+85228.5\begin{matrix} \text{NaCl} & + & \text{AgNO}3 \ 23 + 35.5 & + & 108 + 14 + 3(16) \ \Rightarrow 58.5 & + & 170 \ \Rightarrow & 228.5 & \ & \longrightarrow & & \ \text{AgCl} & + & \text{NaNO}3 \ 108 + 35.5 & + & 23 + 14 + 3(16) \ 143.5 & + & 85 \ & 228.5 \end{matrix}

Thus, weights of reactants = weights of products = 228.5 g

(d) The equation satisfies the law of conservation of mass. It states that the total mass of the substances on either side of the equation is the same.

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