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Sebanyak 50 mL larutan Ca(NO3​)2​10−2 dicampurkan dengan 50 mL larutan Na2​CO3​10−2 dengan reaksi: Ca(NO3​)2​(aq)+Na2​CO3​(aq)→CaCO3​(s)+2NaNO3​(aq) Jika Ksp CaCO3​=9.10−9, massa yang mengendap sebanyak... (Ar Ca = 40; C = 12; O = 16; Na = 23; N = 14)

Pertanyaan

Sebanyak 50 mL larutan begin mathsize 12px style C a left parenthesis N O subscript 3 right parenthesis subscript 2 space 10 to the power of negative 2 end exponent end style dicampurkan dengan 50 mL larutan begin mathsize 12px style N a subscript 2 C O subscript 3 space 10 to the power of negative 2 end exponent end style dengan reaksi:

begin mathsize 12px style C a left parenthesis N O subscript 3 right parenthesis subscript 2 space left parenthesis a q right parenthesis plus N a subscript 2 C O subscript 3 space left parenthesis a q right parenthesis rightwards arrow C a C O subscript 3 space left parenthesis s right parenthesis plus 2 space N a N O subscript 3 space left parenthesis a q right parenthesis end style

Jika Ksp begin mathsize 12px style C a C O subscript 3 equals 9.10 to the power of negative 9 end exponent end style, massa yang mengendap sebanyak...

(Ar Ca = 40; C = 12; O = 16; Na = 23; N = 14)

  1. 100 gram

  2. 0,100 gram

  3. 0,050 gram

  4. 0,025 gram

  5. 0,0025 gram

Pembahasan:

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Jawaban terverifikasi

Dijawab oleh:

S. Lubis

Mahasiswa/Alumni Universitas Sumatera Utara

Terakhir diupdate 04 Oktober 2021

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Pertanyaan serupa

Sebanyak 100 mL larutan MgCl2 0,4 M ditambahkan ke dalam 100 mL larutan Na2CO3 0,4 M. Besarnya massa zat yang mengendap jika diketahui Ksp MgCO3 = 3.10-8 dan Ar Mg = 24, C = 12, O = 16 adalah...

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